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How to Cite Sources

Here is a complete list for how to cite sources. Most of these guides present citation guidance and examples in MLA, APA, and Chicago.

If you’re looking for general information on MLA or APA citations , the EasyBib Writing Center was designed for you! It has articles on what’s needed in an MLA in-text citation , how to format an APA paper, what an MLA annotated bibliography is, making an MLA works cited page, and much more!

MLA Format Citation Examples

The Modern Language Association created the MLA Style, currently in its 9th edition, to provide researchers with guidelines for writing and documenting scholarly borrowings.  Most often used in the humanities, MLA style (or MLA format ) has been adopted and used by numerous other disciplines, in multiple parts of the world.

MLA provides standard rules to follow so that most research papers are formatted in a similar manner. This makes it easier for readers to comprehend the information. The MLA in-text citation guidelines, MLA works cited standards, and MLA annotated bibliography instructions provide scholars with the information they need to properly cite sources in their research papers, articles, and assignments.

• Book Chapter
• Conference Paper
• Documentary
• Encyclopedia
• Google Images
• Kindle Book
• Memorial Inscription
• Museum Exhibit
• Painting or Artwork
• PowerPoint Presentation
• Sheet Music
• Thesis or Dissertation
• YouTube Video

APA Format Citation Examples

The American Psychological Association created the APA citation style in 1929 as a way to help psychologists, anthropologists, and even business managers establish one common way to cite sources and present content.

APA is used when citing sources for academic articles such as journals, and is intended to help readers better comprehend content, and to avoid language bias wherever possible. The APA style (or APA format ) is now in its 7th edition, and provides citation style guides for virtually any type of resource.

Chicago Style Citation Examples

The Chicago/Turabian style of citing sources is generally used when citing sources for humanities papers, and is best known for its requirement that writers place bibliographic citations at the bottom of a page (in Chicago-format footnotes ) or at the end of a paper (endnotes).

The Turabian and Chicago citation styles are almost identical, but the Turabian style is geared towards student published papers such as theses and dissertations, while the Chicago style provides guidelines for all types of publications. This is why you’ll commonly see Chicago style and Turabian style presented together. The Chicago Manual of Style is currently in its 17th edition, and Turabian’s A Manual for Writers of Research Papers, Theses, and Dissertations is in its 8th edition.

Citing Specific Sources or Events

• Declaration of Independence
• Gettysburg Address
• Martin Luther King Jr. Speech
• President Obama’s Farewell Address
• President Trump’s Inauguration Speech
• White House Press Briefing

Additional FAQs

• Citing Archived Contributors
• Citing a Blog
• Citing a Book Chapter
• Citing a Source in a Foreign Language
• Citing an Image
• Citing a Song
• Citing Special Contributors
• Citing a Translated Article
• Citing a Tweet

6 Interesting Citation Facts

The world of citations may seem cut and dry, but there’s more to them than just specific capitalization rules, MLA in-text citations , and other formatting specifications. Citations have been helping researches document their sources for hundreds of years, and are a great way to learn more about a particular subject area.

Ever wonder what sets all the different styles apart, or how they came to be in the first place? Read on for some interesting facts about citations!

1. There are Over 7,000 Different Citation Styles

You may be familiar with MLA and APA citation styles, but there are actually thousands of citation styles used for all different academic disciplines all across the world. Deciding which one to use can be difficult, so be sure to ask you instructor which one you should be using for your next paper.

2. Some Citation Styles are Named After People

While a majority of citation styles are named for the specific organizations that publish them (i.e. APA is published by the American Psychological Association, and MLA format is named for the Modern Language Association), some are actually named after individuals. The most well-known example of this is perhaps Turabian style, named for Kate L. Turabian, an American educator and writer. She developed this style as a condensed version of the Chicago Manual of Style in order to present a more concise set of rules to students.

3. There are Some Really Specific and Uniquely Named Citation Styles

How specific can citation styles get? The answer is very. For example, the “Flavour and Fragrance Journal” style is based on a bimonthly, peer-reviewed scientific journal published since 1985 by John Wiley & Sons. It publishes original research articles, reviews and special reports on all aspects of flavor and fragrance. Another example is “Nordic Pulp and Paper Research,” a style used by an international scientific magazine covering science and technology for the areas of wood or bio-mass constituents.

4. More citations were created on  EasyBib.com  in the first quarter of 2018 than there are people in California.

The US Census Bureau estimates that approximately 39.5 million people live in the state of California. Meanwhile, about 43 million citations were made on EasyBib from January to March of 2018. That’s a lot of citations.

5. “Citations” is a Word With a Long History

The word “citations” can be traced back literally thousands of years to the Latin word “citare” meaning “to summon, urge, call; put in sudden motion, call forward; rouse, excite.” The word then took on its more modern meaning and relevance to writing papers in the 1600s, where it became known as the “act of citing or quoting a passage from a book, etc.”

6. Citation Styles are Always Changing

The concept of citations always stays the same. It is a means of preventing plagiarism and demonstrating where you relied on outside sources. The specific style rules, however, can and do change regularly. For example, in 2018 alone, 46 new citation styles were introduced , and 106 updates were made to exiting styles. At EasyBib, we are always on the lookout for ways to improve our styles and opportunities to add new ones to our list.

Why Citations Matter

Here are the ways accurate citations can help your students achieve academic success, and how you can answer the dreaded question, “why should I cite my sources?”

They Give Credit to the Right People

Citing their sources makes sure that the reader can differentiate the student’s original thoughts from those of other researchers. Not only does this make sure that the sources they use receive proper credit for their work, it ensures that the student receives deserved recognition for their unique contributions to the topic. Whether the student is citing in MLA format , APA format , or any other style, citations serve as a natural way to place a student’s work in the broader context of the subject area, and serve as an easy way to gauge their commitment to the project.

They Provide Hard Evidence of Ideas

Having many citations from a wide variety of sources related to their idea means that the student is working on a well-researched and respected subject. Citing sources that back up their claim creates room for fact-checking and further research . And, if they can cite a few sources that have the converse opinion or idea, and then demonstrate to the reader why they believe that that viewpoint is wrong by again citing credible sources, the student is well on their way to winning over the reader and cementing their point of view.

They Promote Originality and Prevent Plagiarism

The point of research projects is not to regurgitate information that can already be found elsewhere. We have Google for that! What the student’s project should aim to do is promote an original idea or a spin on an existing idea, and use reliable sources to promote that idea. Copying or directly referencing a source without proper citation can lead to not only a poor grade, but accusations of academic dishonesty. By citing their sources regularly and accurately, students can easily avoid the trap of plagiarism , and promote further research on their topic.

They Create Better Researchers

By researching sources to back up and promote their ideas, students are becoming better researchers without even knowing it! Each time a new source is read or researched, the student is becoming more engaged with the project and is developing a deeper understanding of the subject area. Proper citations demonstrate a breadth of the student’s reading and dedication to the project itself. By creating citations, students are compelled to make connections between their sources and discern research patterns. Each time they complete this process, they are helping themselves become better researchers and writers overall.

When is the Right Time to Start Making Citations?

Make in-text/parenthetical citations as you need them.

As you are writing your paper, be sure to include references within the text that correspond with references in a works cited or bibliography. These are usually called in-text citations or parenthetical citations in MLA and APA formats. The most effective time to complete these is directly after you have made your reference to another source. For instance, after writing the line from Charles Dickens’ A Tale of Two Cities : “It was the best of times, it was the worst of times…,” you would include a citation like this (depending on your chosen citation style):

(Dickens 11).

This signals to the reader that you have referenced an outside source. What’s great about this system is that the in-text citations serve as a natural list for all of the citations you have made in your paper, which will make completing the works cited page a whole lot easier. After you are done writing, all that will be left for you to do is scan your paper for these references, and then build a works cited page that includes a citation for each one.

Need help creating an MLA works cited page ? Try the MLA format generator on EasyBib.com! We also have a guide on how to format an APA reference page .

2. Understand the General Formatting Rules of Your Citation Style Before You Start Writing

While reading up on paper formatting may not sound exciting, being aware of how your paper should look early on in the paper writing process is super important. Citation styles can dictate more than just the appearance of the citations themselves, but rather can impact the layout of your paper as a whole, with specific guidelines concerning margin width, title treatment, and even font size and spacing. Knowing how to organize your paper before you start writing will ensure that you do not receive a low grade for something as trivial as forgetting a hanging indent.

Don’t know where to start? Here’s a formatting guide on APA format .

3. Double-check All of Your Outside Sources for Relevance and Trustworthiness First

Collecting outside sources that support your research and specific topic is a critical step in writing an effective paper. But before you run to the library and grab the first 20 books you can lay your hands on, keep in mind that selecting a source to include in your paper should not be taken lightly. Before you proceed with using it to backup your ideas, run a quick Internet search for it and see if other scholars in your field have written about it as well. Check to see if there are book reviews about it or peer accolades. If you spot something that seems off to you, you may want to consider leaving it out of your work. Doing this before your start making citations can save you a ton of time in the long run.

Finished with your paper? It may be time to run it through a grammar and plagiarism checker , like the one offered by EasyBib Plus. If you’re just looking to brush up on the basics, our grammar guides  are ready anytime you are.

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APA Citation Style

Citation examples.

• Paper Format
• Style and Grammar Guidelines
• Citation Management Tools
• What's New in the 7th Edition?
• APA Style References Guidelines from the American Psychological Association
• APA Style (OWL - Online Writing Lab, Purdue University)
• Common Reference Examples Handout
• Journal Article
• Magazine Article
• Newspaper Article
• Edited Book Chapter
• Dictionary Entry
• Government Report
• YouTube Video
• Facebook Post
• Webpage on a Website
• Supplemental Reference Examples
• Archival Documents and Collections

Parenthetical citations:  (Grady et al., 2019; Jerrentrup et al., 2018)

Narrative citations:  Grady et al. (2019) and Jerrentrup et al. (2018)

• If a journal article has a DOI, include the DOI in the reference.
• If the journal article does not have a DOI and is from an academic research database, end the reference after the page range (for an explanation of why, see the  database information  page). The reference in this case is the same as for a print journal article.
• Do not include database information in the reference unless the journal article comes from a database that publishes original, proprietary content, such as UpToDate (see an example on the  database information  page).
• If the journal article does not have a DOI but does have a URL that will resolve for readers (e.g., it is from an online journal that is not part of a database), include the URL of the article at the end of the reference.
• If the journal article has an article number instead of a page range, include the article number instead of the page range (as shown in the Jerrentrup et al. example).

Parenthetical citations:  (Rabinowitz, 2019; Sapolsky, 2017)

Narrative citations:  Rabinowitz (2019) and Sapolsky (2017)

• If the book includes a DOI, include the DOI in the reference after the publisher name.
• Do not include the publisher location.
• If the book does not have a DOI and comes from an academic research database, end the book reference after the publisher name. Do not include  database information  in the reference. The reference in this case is the same as for a print book.

Parenthetical citations:  (Schaefer & Shapiro, 2019; Schulman, 2019)

Narrative citations:  Schaefer and Shapiro (2019) and Schulman (2019)

• If a magazine article has a DOI, include the DOI in the reference.
• If the magazine article does not have a DOI and is from an academic research database, end the reference after the page range. Do not include  database information  in the reference. The reference in this case is the same as for a print magazine article.
• If the magazine article does not have a DOI but does have a URL that will resolve for readers (e.g., it is from an online magazine that is not part of a database), include the URL of the article at the end of the reference.
• If the magazine article does not have volume, issue, and/or page numbers (e.g., because it is from an online magazine), omit the missing elements from the reference (as in the Schulman example).

Parenthetical citation:  (Carey, 2019)

Narrative citation:  Carey (2019)

• If the newspaper article is from an academic research database, end the reference after the page range. Do not include  database information  in the reference. The reference in this case is the same as for a print newspaper article.
• If the newspaper article has a URL that will resolve for readers (e.g., it is from an online newspaper), include the URL of the article at the end of the reference.
• If the newspaper article does not have volume, issue, and/or page numbers (e.g., because it is from an online newspaper), omit the missing elements from the reference, as shown in the example.
• If the article is from a news website (e.g., CNN, HuffPost)—one that does not have an associated daily or weekly newspaper—use the format for a  webpage on a website  instead.

Parenthetical citation:  (Aron et al., 2019)

Narrative citation:  Aron et al. (2019)

• If the edited book chapter includes a DOI, include the chapter DOI in the reference after the publisher name.
• If the edited book chapter does not have a DOI and comes from an academic research database, end the edited book chapter reference after the publisher name. Do not include  database information  in the reference. The reference in this case is the same as for a print edited book chapter.
• Do not create references for chapters of authored books. Instead, write a reference for the whole book and cite the chapter in the text if desired (e.g., Kumar, 2017, Chapter 2).

Parenthetical citation:  (Merriam-Webster, n.d.)

Narrative citation:  Merriam-Webster (n.d.)

• Because entries in  Merriam-Webster’s Dictionary  are updated over time and are not archived, include a  retrieval date  in the reference.
• Merriam-Webster is both the author and the publisher, so the name appears in the author element only to avoid repetition.
• To quote a dictionary definition, view the pages on quotations and  how to quote works without page numbers  for guidance. Additionally, here is an example:  Culture  refers to the “customary beliefs, social forms, and material traits of a racial, religious, or social group” (Merriam-Webster, n.d., Definition 1a).

Parenthetical citation:  (National Cancer Institute, 2019)

Narrative citation:  National Cancer Institute (2019)

The specific agency responsible for the report appears as the author. The names of parent agencies not present in the  group author name  appear in the source element as the publisher. This creates concise in-text citations and complete reference list entries.

Parenthetical citation:  (Harvard University, 2019)

Narrative citation:  Harvard University (2019)

• Use the name of the account that uploaded the video as the author.
• If the account did not actually create the work, explain this in the text if it is important for readers to know. However, if that would mean citing a source that appears unauthoritative, you might also look for the author’s YouTube channel, official website, or other social media to see whether the same video is available elsewhere.

Parenthetical citations:  (APA Databases, 2019; Gates, 2019)

Narrative citations:  APA Databases (2019) and Gates (2019)

• Present the name of the individual or group author the same as you would for any other reference. Then provide the Twitter handle (beginning with the @ sign) in square brackets, followed by a period.
• Provide the first 20 words of the tweet as the title. Count a URL, a hashtag, or an emoji as one word each, and include them in the reference if they fall within the first 20 words.
• If the tweet includes an image, a video, a poll, or a thumbnail image with a link, indicate that in brackets after the title: [Image attached], [Video attached], [Thumbnail with link attached].
• The same format used for Twitter is also used for Instagram.  

Parenthetical citation:  (News From Science, 2019)

Narrative citation:  News From Science (2019)

• Provide the first 20 words of the Facebook post as the title. Count a URL or other link, a hashtag, or an emoji as one word each, and include them in the reference if they fall within the first 20 words. 
• If a status update includes images, videos, thumbnail links to outside sources, or content from another Facebook post (such as when sharing a link), indicate that in square brackets.

Parenthetical citations:  (Fagan, 2019; National Institute of Mental Health, 2018; Woodyatt, 2019; World Health Organization, 2018)

Narrative citations:  Fagan (2019), National Institute of Mental Health (2018), Woodyatt (2019), and World Health Organization (2018)

• Provide as specific a  date  as is available on the webpage. This might be a year only; a year and month; or a year, month, and day.
• Italicize the title of a webpage.
• When the author of the webpage and the publisher of the website are the same, omit the publisher name to avoid repetition (as in the World Health Organization example).
• When contents of a page are meant to be updated over time but are not archived, include a  retrieval date  in the reference (as in the Fagan example).
• Use the webpage on a website format for articles from news websites such as CNN and HuffPost (these sites do not have associated daily or weekly newspapers). Use the  newspaper article category  for articles from newspaper websites such as  The New York Times  or  The Washington Post .
• Create a reference to an open educational resources (OER) page only when the materials are available for download directly (i.e., the materials are on the page and/or can be downloaded as PDFs or other files). If you are directed to another website, create a reference to the specific webpage on that website where the materials can be retrieved. Use this format for material in any OER repository, such as OER Commons, OASIS, or MERLOT.
• Do not create a reference or in-text citation for a whole website. To mention a website in general, and not any particular information on that site, provide the name of the website in the text and include the URL in parentheses. For example, you might mention that you used a website to create a survey.

The following supplemental example references are mention in the  Publication Manual:

• retracted journal or magazine article
• edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM)
• edition of the International Statistical Classification of Diseases and Related Health Problems (ICD)
• religious work
• annotated religious work

Archival document and collections are not presented in the  APA Publication Manual, Seventh Edition . This content is available only on the APA Style website .  This guidance has been expanded from the 6th edition.

Archival sources include letters, unpublished manuscripts, limited-circulation brochures and pamphlets, in-house institutional and corporate documents, clippings, and other documents, as well as such nontextual materials as photographs and apparatus, that are in the personal possession of an author, form part of an institutional collection, or are stored in an archive such as the Archives of the History of American Psychology at the University of Akron or the APA Archives. For any documents like these that are available on the open web or via a database (subscription or nonsubscription), follow the reference templates shown in Chapter 10 of the Publication Manual.

The general format for the reference for an archival work includes the author, date, title, and source. The reference examples shown on this page may be modified for collections requiring more or less specific information to locate materials, for different types of collections, or for additional descriptive information (e.g., a translation of a letter). Authors may choose to list correspondence from their own personal collections, but correspondence from other private collections should be listed only with the permission of the collector.

Keep in mind the following principles when creating references to archival documents and collections:

• As with any reference, the purpose is to direct readers to the source, despite the fact that only a single copy of the document may be available and readers may have some difficulty actually seeing a copy.
• Include as much information as is needed to help locate the item with reasonable ease within the repository. For items from collections with detailed finding aids, the name of the collection may be sufficient; for items from collections without finding aids, more information (e.g., call number, box number, file name or number) may be necessary to help locate the item.
• If several letters are cited from the same collection, list the collection as a reference and provide specific identifying information (author, recipient, and date) for each letter in the in-text citations (see Example 3).
• Use square brackets to indicate information that does not appear on the document.
• Use “ca.” (circa) to indicate an estimated date (see Example 5).
• Use italics for titles of archival documents and collections; if the work does not have a title, provide a description in square brackets without italics.
• Separate elements of the source (e.g., the name of a repository, library, university or archive, and the location of the university or archive) with commas. End the source with a period.
• If a publication of limited circulation is available in libraries, the reference may be formatted as usual for published material, without the archival source.
• Note that private letters (vs. those in an archive or repository) are considered personal communications and cited in the text only.

1. Letter from a repository

Frank, L. K. (1935, February 4). [Letter to Robert M. Ogden]. Rockefeller Archive Center (GEB Series 1.3, Box 371, Folder 3877), Tarrytown, NY, United States.

• Parenthetical citation: (Frank, 1935)
• Narrative citation: Frank (1935)
• Because the letter does not have a title, provide a description in square brackets.

2. Letter from a private collection

Zacharius, G. P. (1953, August 15). [Letter to William Rickel (W. Rickel, Trans.)]. Copy in possession of Hendrika Vande Kemp.

• Parenthetical citation: (Zacharius, 1953)
• Narrative citation: Zacharius (1953)
• In this example, Hendrika Vande Kemp is either the author of the paper or the author of the paper has received permission from Hendrika Vande Kemp to cite a letter in Vande Kemp’s private collection in this way. Otherwise, cite a private letter as a  personal communication .

3. Collection of letters from an archive

Allport, G. W. (1930–1967). Correspondence. Gordon W. Allport Papers (HUG 4118.10), Harvard University Archives, Cambridge, MA, United States.

• Parenthetical citation: (Allport, 1930–1967)
• Narrative citation: Allport (1930–1967)

To cite specific letters in the text, provide the author and range of years as shown in the reference list entry, plus details about who wrote the specific letter to whom and when the specific letter was written.

• Parenthetical citation: (Allport, 1930–1967, G. Boring to Allport, December 26, 1937)
• Narrative citation: Allport (1930–1967, Allport to G. Boring, March 1, 1939)
• Use the parenthetical citation format to cite a letter that E. G. Boring wrote to Allport because Allport is the author in the reference. Use either the parenthetical or narrative citation format to cite letters that Allport wrote.

4. Unpublished papers, lectures from an archive or personal collection

Berliner, A. (1959). Notes for a lecture on reminiscences of Wundt and Leipzig. Anna Berliner Memoirs (Box M50), Archives of the History of American Psychology, University of Akron, Akron, OH, United States.

• Parenthetical citation: (Berliner, 1959)
• Narrative citation: Berliner (1959)

5. Archival/historical source for which the author and/or date is known or is reasonably certain but not stated on the document

Allport, A. (presumed). (ca. 1937). Marion Taylor today—by the biographer [Unpublished manuscript]. Marion Taylor Papers, Schlesinger Library, Radcliffe College, Cambridge, MA, United States.

• Parenthetical citation: (Allport, ca. 1937)
• Narrative citation: Allport (ca. 1937)
• Because the author is reasonably certain but not stated on the document, place the word “presumed” in parentheses after the name, followed by a period.
• Because the date is reasonably certain but not stated on the document, the abbreviation “ca.” (which stands for “circa”) appears before the year in parentheses.

6. Archival source with group author

Subcommittee on Mental Hygiene Personnel in School Programs. (1949, November 5–6). Meeting of Subcommittee on Mental Hygiene Personnel in School Programs. David Shakow Papers (M1360), Archives of the History of American Psychology, University of Akron, Akron, OH, United States.

• Parenthetical citation: (Subcommittee on Mental Hygiene Personnel in School Programs, 1949)
• Narrative citation: Subcommittee on Mental Hygiene Personnel in School Programs (1949)

7. Interview recorded and available in an archive

Smith, M. B. (1989, August 12). Interview by C. A. Kiesler [Tape recording]. President’s Oral History Project, American Psychological Association, APA Archives, Washington, DC, United States.

• Parenthetical citation: (Smith, 1989)
• Narrative citation: Smith (1989)
• For interviews and oral histories recorded in an archive, list the interviewee as the author. Include the interviewer’s name in the description.

8. Transcription of a recorded interview, no recording available

Sparkman, C. F. (1973). An oral history with Dr. Colley F. Sparkman/Interviewer: Orley B. Caudill. Mississippi Oral History Program (Vol. 289), University of Southern Mississippi, Hattiesburg, MS, United States.

• Parenthetical citation: (Sparkman, 1973)
• Narrative citation: Sparkman (1973)

9. Newspaper article clipping, historical, in personal collection

Psychoanalysis institute to open. (1948, September 18). [Clipping from an unidentified Dayton, OH, United States, newspaper]. Copy in possession of author.

• Parenthetical citation: (“Psychoanalysis Institute to Open,” 1948)
• Narrative citation: “Psychoanalysis Institute to Open” (1948)
• Use this format only if you are the person who is in possession of the newspaper clipping.

10. Historical publication of limited circulation

Sci-Art Publishers. (1935). Sci-Art publications [Brochure]. Roback Papers (HUGFP 104.50, Box 2, Folder “Miscellaneous Psychological Materials”), Harvard University Archives, Cambridge, MA, United States.

• Parenthetical citation: (Sci-Art Publishers, 1935)
• Narrative citation: Sci-Art Publishers (1935)

11. Archived photographs, no author and no title

[Photographs of Robert M. Yerkes]. (ca. 1917–1954). Robert Mearns Yerkes Papers (Box 137, Folder 2292), Manuscripts and Archives, Yale University Library, New Haven, CT, United States.

• Parenthetical citation: ([Photographs of Robert M. Yerkes], ca. 1917–1954)
• Narrative citation: [Photographs of Robert M. Yerkes] (ca. 1917–1954)
• Because the archived photographs do not have a title, provide a bracketed description instead.
• Because the archived photographs do not have an author, move the bracketed description to the author position of the reference.

12. Microfilm

U.S. Census Bureau. (1880). 1880 U.S. census: Defective, dependent, and delinquent classes schedule: Virginia [Microfilm]. NARA Microfilm Publication T1132 (Rolls 33–34), National Archives and Records Administration, Washington, DC, United States.

• Parenthetical citation: (U.S. Census Bureau, 1880)
• Narrative citation: U.S. Census Bureau (1880)

Read the full APA guidelines on citing ChatGPT 

OpenAI. (2023).  ChatGPT  (Mar 14 version) [Large language model].  https://chat.openai.com/chat

• Parenthetical citation:  (OpenAI, 2023)
• Narrative citation:  OpenAI (2023)

Author:  The author of the model is OpenAI.

Date:  The date is the year of the version you used. Following the template in Section 10.10, you need to include only the year, not the exact date. The version number provides the specific date information a reader might need.

Title:  The name of the model is “ChatGPT,” so that serves as the title and is italicized in your reference, as shown in the template. Although OpenAI labels unique iterations (i.e., ChatGPT-3, ChatGPT-4), they are using “ChatGPT” as the general name of the model, with updates identified with version numbers.

The version number is included after the title in parentheses. The format for the version number in ChatGPT references includes the date because that is how OpenAI is labeling the versions. Different large language models or software might use different version numbering; use the version number in the format the author or publisher provides, which may be a numbering system (e.g., Version 2.0) or other methods.

Bracketed text  is used in references for additional descriptions when they are needed to help a reader understand what’s being cited. References for a number of common sources, such as journal articles and books, do not include bracketed descriptions, but things outside of the typical peer-reviewed system often do. In the case of a reference for ChatGPT, provide the descriptor “Large language model” in square brackets. OpenAI describes ChatGPT-4 as a “large multimodal model,” so that description may be provided instead if you are using ChatGPT-4. Later versions and software or models from other companies may need different descriptions, based on how the publishers describe the model. The goal of the bracketed text is to briefly describe the kind of model to your reader.

Source:  When the publisher name and the author name are the same, do not repeat the publisher name in the source element of the reference, and move directly to the URL. This is the case for ChatGPT. The URL for ChatGPT is  https://chat.openai.com/chat . For other models or products for which you may create a reference, use the URL that links as directly as possible to the source (i.e., the page where you can access the model, not the publisher’s homepage).

What to include and what to exclude

Works included in a reference list.

The reference list provides a reliable way for readers to identify and locate the works cited in a paper. APA Style papers generally include reference lists, not  bibliographies.

In general, each work cited in the text must appear in the reference list, and each work in the reference list must be cited in the text. Check your work carefully before submitting your manuscript or course assignment to ensure no works cited in the text are missing from the reference list and vice versa, with only the following exceptions.

Works Excluded From a Reference List

There are a few kinds of works that are not included in a reference list. Usually a work is not included because readers cannot recover it or because the mention is so broad that readers do not need a reference list entry to understand the use.

Information on works included in a reference list is covered in Sections 2.12 and 8.4 of the  APA Publication Manual, Seventh Edition

*This guidance has been expanded from the 6th edition.*

• Personal communications  such as emails, phone calls, or text messages are cited in the text only, not in the reference list, because readers cannot retrieve personal communications.
• General mentions of whole websites, whole periodicals, and common software and apps in the text do not require in-text citations or reference list entries because the use is broad and the source is familiar.
• The source of an epigraph does not usually appear in the reference list unless the work is a scholarly book or journal. For example, if you open the paper with an inspirational quotation by a famous person, the source of the quotation does not appear in the reference list because the quotation is meant to set the stage for the work, not substantiate a key point.   
• Quotations from research participants in a study you conducted can be presented and discussed in the text but do not need citations or reference list entries. Citations and reference list entries are not necessary because the quotations are part of your original research. They could also compromise participants’ confidentiality, which is an ethical violation.
• References included in a meta-analysis, which are marked with an asterisk in the reference list, may be cited in the text (or not) at the author’s discretion. This exception is relevant only to authors who are conducting a meta-analysis.

DOIs and URLs

The DOI or URL is the final component of a reference list entry. Because so much scholarship is available and/or retrieved online, most reference list entries end with either a DOI or a URL.

• A DOI is a unique alphanumeric string that identifies content and provides a persistent link to its location on the internet. DOIs can be found in database records and the reference lists of published works.
• A URL specifies the location of digital information on the internet and can be found in the address bar of your internet browser. URLs in references should link directly to the cited work when possible.

Follow these guidelines for including DOIs and URLs in references:

• Include a DOI for all works that have a DOI, regardless of whether you used the online version or the print version.
• If a print work does not have a DOI, do not include any DOI or URL in the reference.
• If an online work has both a DOI and a URL, include only the DOI.
• For works without DOIs from websites (not including academic research databases), provide a URL in the reference (as long as the URL will work for readers).
• For works without DOIs from most  academic research databases , do not include a URL or database information in the reference because these works are widely available. The reference should be the same as the reference for a print version of the work.
• For works from databases that publish original, proprietary material available only in that database (such as the UpToDate database) or for works of limited circulation in databases (such as monographs in the ERIC database), include the name of the database or archive and the URL of the work. If the URL requires a login or is session-specific (meaning it will not resolve for readers), provide the URL of the database or archive home page or login page instead of the URL for the work. See the page on including  database information in references  for more information. 
• If the URL is no longer working or no longer provides readers access to the content you intend to cite, follow the guidance for works with  no source .
• Other alphanumeric identifiers such as the International Standard Book Number (ISBN) and the International Standard Serial Number (ISSN) are not included in APA Style references.

Follow these guidelines to format DOIs and URLs:

• Present both DOIs and URLs as hyperlinks (i.e., beginning with “http:” or “https:”).
• Because a hyperlink leads readers directly to the content, it is not necessary to include the words “Retrieved from” or “Accessed from” before a DOI or URL.
• It is acceptable to use either the default display settings for hyperlinks in your word-processing program (e.g., usually blue font, underlined) or plain text that is not underlined.
• Leave links live if the work is to be published or read online.
• Follow the current recommendations of the International DOI Foundation to format DOIs in the reference list, which as of this publication is as follows:

https://doi.org/ xxxxx

• The string “https://doi.org/” is a way of presenting a DOI as a link, and “xxxxx” refers to the DOI number.
• The preferred format of the DOI has changed over time. Although older works use previous formats (e.g., “http:/dx.doi.org/” or “doi:” or “DOI:” before the DOI number), in your reference list, standardize DOIs into the current preferred format for all entries. For example, use  https://doi.org/10.1037/a0040251  in your reference even though that article, published in 2016, presented the number in an older format.
• Copy and paste the DOI or URL from your web browser directly into your reference list to avoid transcription errors. Do not change the capitalization or punctuation of the DOI or URL. Do not add line breaks manually to the hyperlink; it is acceptable if your word-processing program automatically adds a break or moves the hyperlink to its own line.
• Do not add a period after the DOI or URL because this may interfere with link functionality.

When a DOI or URL is long or complex, you may use shortDOIs or shortened URLs if desired.

• Use the  shortDOI service  provided by the International DOI Foundation to create shortDOIs. A work can have only one DOI and only one shortDOI; the shortDOI service will either produce a new shortDOI for a work that has never had one or retrieve an existing shortDOI.
• Some websites provide their own branded shortened URLs, and independent URL shortening services are available as well. Any shortened URL is acceptable in a reference as long as you check the link to ensure that it takes you to the correct location.
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Which citation style should I use?

• Chicago Notes Style
• Chicago Author-Date Style
• AMA Style (medicine)
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Citing Sources: Which citation style should I use?

The citation style you choose will largely be dictated by the discipline in which you're writing. For many assignments your instructor will suggest or require a certain style. If you're not sure which one to use, it's always best to check with your instructor or, if you are submitting a manuscript, the publisher to see if they require a certain style. In many cases, you may not be required to use any particular style as long as you pick one and use it consistently. If you have some flexibility, use the guide below to help you decide.

Disciplinary Citation Styles

• Social Sciences
• Sciences & Medicine
• Engineering

When in doubt, try: Chicago Notes

• Architecture & Landscape Architecture → try Chicago Notes or Chicago Author-Date
• Art → try Chicago Notes
• Art History → use  Chicago Notes
• Dance → try Chicago Notes or MLA
• Drama → try Chicago Notes or MLA
• Ethnomusicology → try Chicago Notes
• Music → try Chicago Notes
• Music History → use  Chicago Notes
• Urban Design & Planning → try Chicago Notes or Chicago Author-Date

When in doubt, try: MLA

• Cinema Studies → try MLA
• Classics → try Chicago Notes
• English → use  MLA
• History → use   Chicago Notes
• Linguistics → try MLA
• Languages → try MLA
• Literatures → use  MLA
• Philosophy → try MLA
• Religion → try Chicago Notes

When in doubt, try: APA or Chicago Notes

• Anthropology → try Chicago Author-Date
• Business → try APA (see also Citing Business Information from Foster Library)
• Communication → try APA
• Criminology & Criminal Justice → try Chicago Author-Date
• Economics → try APA
• Education → try APA
• Geography → try APA
• Government & Law (for non-law students) → try Chicago Notes
• History → try Chicago Notes
• Informatics → try APA
• Law (for law students) → use Bluebook
• Library & Information Science → try APA
• Museology → try Chicago Notes
• Political Science → try Chicago Notes
• Psychology → use  APA
• Social Work → try APA
• Sociology → use  ASA or Chicago Author-Date

When in doubt, try: CSE Name-Year or CSE Citation-Sequence

• Aquatic & Fisheries Sciences → try CSE Name-Year or APA
• Astronomy → try AIP or CSE Citation-Sequence
• Biology & Life Sciences → try CSE Name-Year or APA
• Chemistry → try ACS
• Earth & Space Sciences → try CSE Name-Year or APA
• Environmental Sciences → try CSE Name-Year or APA
• Forest Sciences → try CSE Name-Year or APA
• Health Sciences: Public Health, Medicine, & Nursing → use AMA or NLM
• Marine Sciences → try CSE Name-Year or APA
• Mathematics → try AMS or CSE Citation-Sequence
• Oceanography → try CSE Name-Year or APA
• Physics → try AIP or CSE Citation-Sequence
• Psychology  → use  APA

When in doubt, try: CSE Name-Year or IEEE

• Aeronautics and Astronautics → try CSE Citation-Sequence
• Bioengineering → try AMA or NLM
• Chemical Engineering → try ACS
• Civil and Environmental Engineering → try CSE Name-Year
• Computational Linguistics → try CSE Citation-Sequence
• Computer Science & Engineering → try IEEE
• Electrical and Computer Engineering → try IEEE
• Engineering (general) → try IEEE or CSE Name-Year
• Human Centered Design & Engineering → try IEEE
• Human-Computer Interaction + Design → try IEEE
• Industrial and Systems Engineering → try CSE Name-Yea r
• Mechanical Engineering → try Chicago Notes or Chicago Author-Date

See also: Additional Citation Styles , for styles used by specific engineering associations.

Pro Tip: Citation Tools Save Time & Stress!

If you’re enrolled in classes that each require a different citation style, it can get confusing really fast! The tools on the Quick Citation Generators section can help you format citations quickly in many different styles.

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• Referencing

A Quick Guide to Harvard Referencing | Citation Examples

Published on 14 February 2020 by Jack Caulfield . Revised on 15 September 2023.

Referencing is an important part of academic writing. It tells your readers what sources you’ve used and how to find them.

Harvard is the most common referencing style used in UK universities. In Harvard style, the author and year are cited in-text, and full details of the source are given in a reference list .

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Table of contents

Harvard in-text citation, creating a harvard reference list, harvard referencing examples, referencing sources with no author or date, frequently asked questions about harvard referencing.

A Harvard in-text citation appears in brackets beside any quotation or paraphrase of a source. It gives the last name of the author(s) and the year of publication, as well as a page number or range locating the passage referenced, if applicable:

Note that ‘p.’ is used for a single page, ‘pp.’ for multiple pages (e.g. ‘pp. 1–5’).

An in-text citation usually appears immediately after the quotation or paraphrase in question. It may also appear at the end of the relevant sentence, as long as it’s clear what it refers to.

When your sentence already mentions the name of the author, it should not be repeated in the citation:

Sources with multiple authors

When you cite a source with up to three authors, cite all authors’ names. For four or more authors, list only the first name, followed by ‘ et al. ’:

Sources with no page numbers

Some sources, such as websites , often don’t have page numbers. If the source is a short text, you can simply leave out the page number. With longer sources, you can use an alternate locator such as a subheading or paragraph number if you need to specify where to find the quote:

Multiple citations at the same point

When you need multiple citations to appear at the same point in your text – for example, when you refer to several sources with one phrase – you can present them in the same set of brackets, separated by semicolons. List them in order of publication date:

Multiple sources with the same author and date

If you cite multiple sources by the same author which were published in the same year, it’s important to distinguish between them in your citations. To do this, insert an ‘a’ after the year in the first one you reference, a ‘b’ in the second, and so on:

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A bibliography or reference list appears at the end of your text. It lists all your sources in alphabetical order by the author’s last name, giving complete information so that the reader can look them up if necessary.

The reference entry starts with the author’s last name followed by initial(s). Only the first word of the title is capitalised (as well as any proper nouns).

Sources with multiple authors in the reference list

As with in-text citations, up to three authors should be listed; when there are four or more, list only the first author followed by ‘ et al. ’:

Reference list entries vary according to source type, since different information is relevant for different sources. Formats and examples for the most commonly used source types are given below.

• Entire book
• Book chapter
• Translated book
• Edition of a book

Journal articles

• Print journal
• Online-only journal with DOI
• Online-only journal with no DOI
• General web page
• Online article or blog
• Social media post

Sometimes you won’t have all the information you need for a reference. This section covers what to do when a source lacks a publication date or named author.

No publication date

When a source doesn’t have a clear publication date – for example, a constantly updated reference source like Wikipedia or an obscure historical document which can’t be accurately dated – you can replace it with the words ‘no date’:

Note that when you do this with an online source, you should still include an access date, as in the example.

When a source lacks a clearly identified author, there’s often an appropriate corporate source – the organisation responsible for the source – whom you can credit as author instead, as in the Google and Wikipedia examples above.

When that’s not the case, you can just replace it with the title of the source in both the in-text citation and the reference list:

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Harvard referencing uses an author–date system. Sources are cited by the author’s last name and the publication year in brackets. Each Harvard in-text citation corresponds to an entry in the alphabetised reference list at the end of the paper.

Vancouver referencing uses a numerical system. Sources are cited by a number in parentheses or superscript. Each number corresponds to a full reference at the end of the paper.

A Harvard in-text citation should appear in brackets every time you quote, paraphrase, or refer to information from a source.

The citation can appear immediately after the quotation or paraphrase, or at the end of the sentence. If you’re quoting, place the citation outside of the quotation marks but before any other punctuation like a comma or full stop.

In Harvard referencing, up to three author names are included in an in-text citation or reference list entry. When there are four or more authors, include only the first, followed by ‘ et al. ’

Though the terms are sometimes used interchangeably, there is a difference in meaning:

• A reference list only includes sources cited in the text – every entry corresponds to an in-text citation .
• A bibliography also includes other sources which were consulted during the research but not cited.

Cite this Scribbr article

If you want to cite this source, you can copy and paste the citation or click the ‘Cite this Scribbr article’ button to automatically add the citation to our free Reference Generator.

Caulfield, J. (2023, September 15). A Quick Guide to Harvard Referencing | Citation Examples. Scribbr. Retrieved 3 June 2024, from https://www.scribbr.co.uk/referencing/harvard-style/

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APA style was created by the American Psychological Association. It is a set of rules for publications, including research papers.

In APA, you must "cite" sources that you have paraphrased, quoted or otherwise used to write your research paper. Cite your sources in two places:

• In the body of your paper where you add a brief in-text citation.
• In the Reference list at the end of your paper where you give more complete information for the source.

Learn more about APA Style from Purdue OWL  or you can look at examples from APA Style .

• Art, Infographics, Maps, Photographs/Images
• Books & Ebooks
• Dissertations/Thesis
• Encyclopedias & Dictionaries
• Government Documents
• Journal Article
• Social Media

Art (from a Museum):

Artist, A. A. (year).  Title of work  [Medium]. Museum Name, Museum Location.

Monet, C. (1900).  The water lily pond  [Painting]. Museum of Fine Arts, Boston, MA, United States.

Art (online):

Artist, A. A. (year).  Title of work  [Medium]. Museum Name, Museum Location. https://xxxxxx

Monet, C. (1900).  The water lily pond  [Painting]. Museum of Fine Arts, Boston, MA, United States.  https://collections.mfa.org/objects/33697

Graphs and Chart (from an article)

Figure X . Description of the image or title of the image. From "Title of Article," by Article Author's First Initial. Second Initial. Last Name, year, day, (for a magazine) or year (for a journal), Title of Magazine or Journal, volume number, page(s). Copyright year by name of copyright holder.

Figure 1 . A proposed potential therapeutic algorithm based on current studies and clinical trials. From "Treatment for COVID-19: An overview," by Stasi, C., Fallani, S., Voller, F., & Silvestri, C, 2020,  European journal of pharmacology , 889, 173644. Copyright 2020 by Elsevier.

Infographic:

Artist, A. A. (year).  Title of infographic  [Infographic]. Source. https://xxxxxx

CDC. (2020).  Disability Impacts All of Us Infographic [Infographic]. Centers for Disease and Control Prevention. https://www.cdc.gov/ncbddd/disabilityandhealth/images/disability-impacts-all1185px.png

Photographs/Images:

Photographer, A. A. (Date).  Title of photograph  [Photograph]. Source. https://xxxxxx

Adler, G. S. (1968).  April 23, 1968 Crowd Sundial Rally  [Photograph]. Columbia University Libraries. https://dlc.library.columbia.edu/catalog/cul:fbg79cnpkb

One Author:

Author's Last Name, First Initial. Second Initial if Given. (Year of Publication).  Title of book: Subtitle if given  (edition if given and is not first edition). Publisher Name often shortened.

Kottler, J.A. (2000). Doing good: passion and commitment for helping others.  Brunner-Routledge.

Two or More Authors:

Last Name of First Author, First Initial. Second Initial if Given, & Last Name of Second Author, First Initial. Second Initial if Given. (Year of Publication).  Title of book: Subtitle if given  (edition if given and is not first edition). Publisher Name often shortened. 

Case, L. P., Daristotle, L., Hayek, M. G., & Raash, M. F. (2011).  Canine and feline nutrition: A resource for companion animal professionals  (3rd ed.). Mosby.

Group or Company:

Name of Corporate Author. (Year of Publication).  Title of book: Subtitle if given  (edition if given and is not first edition). Publisher Name often shortened.

American Psychological Association. (2020).  Publication manual of the American Psychological Association  (7th ed.). https://doi.org/10.1037/0000165-000

Editor's Last Name, First Initial. Second Initial if Given. (Ed.). (Year of Publication).  Title of book: Subtitle if given  (edition if given and is not first edition). Publisher Name often shortened. 

Miller, J., & Smith, T. (Eds.). (1996).  Cape Cod stories: Tales from Cape Cod, Nantucket, and Martha's Vineyard . Chronicle Books.

Author's Last Name, First Initial. Second Initial if Given. (Year of Publication).  Title of dissertation (Publication No, if applicable) [Type of Paper, name of the University]. Source Name or Repository Name. URL.

Kabir, J. M. (2016).  Factors influencing customer satisfaction at a fast food hamburger chain: The relationship between customer satisfaction and customer loyalty  (Publication No. 10169573) [Doctoral dissertation, Wilmington University]. ProQuest Dissertations & Theses Global.

Zambrano-Vazquez, L. (2016).  The interaction of state and trait worry on response monitoring in those with worry and obsessive-compulsive symptoms  [Doctoral dissertation, University of Arizona]. UA Campus Repository.  https://repository.arizona.edu/handle/10150/620615

• Author.  Note: List the author's last name and initials as Author, A. A. There is usually only one author for a thesis or dissertation, you don't need to include any faculty advisers.
• (Year, Month Date).  Note: Provide as specific a date as is available.
• Title of the dissertation or thesis  [Doctoral dissertation or Master's thesis, Name of University].  Note: For works that stand alone (e.g. books, dissertations, theses), italicize the title. Only capitalize the first word of the title and subtitle and any proper nouns. The title page will indicate whether it's a Doctoral dissertation or Master's thesis and list the name of the university granting the degree.
• Source.  Note: Include the name of the database or institutional repository where you can access the work (e.g. ProQuest Dissertations & Theses Global, PQDT Open, Scholar Commons).
• URL  Note: If available it's available.

Online Encyclopedia & Dictionary:

Name of Group Author. (Year of Publication). Title of entry. In Editor's First Initial. Second Initial if given. Last Name (Ed.),  Name of encyclopedia or dictionary  (edition if given and is not first edition). Retrieved from date URL

Encyclopedia Britannica. (n.d.).  Olive . Britannica Academic. Retrieved November 1, 2021, from https://academic-eb-com.libproxy.scu.edu/levels/collegiate/article/olive/57030

Encyclopedia & Dictionary from Print (book):

Author's Last Name, First Initial. Second Initial if Given. (Year of Publication). Title of entry. In Editor's First Initial. Second Initial if given. Last Name (Ed.),  Name of encyclopedia or dictionary  (Volume number, pp. first page of entry-last page of entry). Publisher Name often shortened.

King, P. N., & Wester L. (1998). Hawaii. In  The world book encyclopedia  (Vol. 9, pp. 88-110). World Book.

From a Website:

Name of Government Department, Agency or Committee. (Year of Publication, Month Day).  Title of document: Subtitle if given  (edition if given and is not first edition). Publisher Name. URL

Ontario Ministry of Children and Youth Services. (2010, April 27). Your preschool child's speech and language development. http://www.children.gov.on.ca/htdocs/English/topics/earlychildhood/ speechlanguage/brochure_preschool.aspx

Centers for Medicare & Medicaid Services. (December, 2020).  Improving Health Care For Adults With Disabilities: An Overview Of Federal Data Sources  [Issue Brief]. https://www.cms.gov/files/document/federaldatadisability508.pdf

Print Document:

Name of Government Department, Agency or Committee. (Year of Publication).  Title of document: Subtitle if given  (edition if given and is not first edition). Publisher Name.

Health Council of Canada. (2007).  Canadians' experience with chronic illness care in 2007 .

Notes for Reports, Policy Briefs, Press Release, etc:

• Author or Name of Group (If the group name has many layers, use the most specific agency as the author). The parent agencies will be listed as the publisher. Note:  You can abbreviate agency names in-text, but  do not abbreviate agency names in the list of references .
• Title of Report or Title of Report (Report No. __)
• If it's not a report, but something fuzzier, like a press release, policy brief, etc. (so-called "gray literature), include a description in brackets. e.g., [Press Release] following the title.
• Publisher name (unless the publisher IS the group author)

Tip: It is often easier to identify the relevant elements of the citation by consulting a catalog entry (worldcat or your library's catalog) or by downloading the full report as a pdf and checking the cover pages.

Author's Last Name, First Initial. Second Initial if Given. (Year of Publication). Title of article: Subtitle if any.  Name of Journal, Volume Number (Issue Number), first page number-last page number. https://doi number

Bailey, N. W. (2012). Evolutionary models of extended phenotypes.  Trends in Ecology & Evolution, 27 (3), 561-569. https://doi.org/10.1037/rev0000126

Two to 20 authors:

Author's Last Name, First Initial. Second Initial if Given., & Last Name of Second Author, First Initial. Second Initial if Given. (Year of Publication). Title of article: Subtitle if any.  Name of Journal, Volume Number (Issue Number), first page number-last page number. https://doi number 

Kerui Du, Shuai Shao, & Zheming Yan. (2021). Urban Residential Energy Demand and Rebound Effect in China: A Stochastic Energy Demand Frontier Approach.  Energy Journal ,  42 (4), 175–193. https://doi-org.libproxy.scu.edu/10.5547/01956574.42.4.kdu

21 or More Authors:

Kalnay, E., Kanamitsu, M., Kistler, R., Collins, W., Deaven, D., Gandin, L., Iredell, M., Saha, J., Mo, K. C., Ropelewski, C., Wang, J., Leetma, A., . . . Joseph, D. (1996). The NCEP/NCAR 40-year reanalysis project.  Bulletin of the American Meteorological Society ,  77 (3), 437-471. https://doi.org/10.1175/1520-0477(1996)077<0437:TNYRP>2.0.CO;2

Newspaper Article Online:

Author's Last Name, First Initial. Second Initial if Given. (Year of Publication, Month Day if Given). Title of article: Subtitle if any.  Name of Newspaper . URL

Callahan, A. (2021, November 30). Why does coffee make you poop? New York Times. https://www.nytimes.com/2021/11/30/well/eat/why-does-coffee-make-you-poop.html

Newspaper Print:

Author's Last Name, First Initial. Second Initial if Given. (Year of Publication, Month Day if Given). Title of article: Subtitle if any.  Name of Newspaper , p. SectionPage if given.

Schwartz, J. (1993, September 30). Obesity affects economic, social status.  The Washington Post , A1, A4.

Author's Last Name, First initial. Second initial. Or, username if real name is not provided. (Year blog post was published, Month Day). Title of the blog post.  Title of Blog.  URL

Rudzate, A. (2022 February 21). How to Stay on Task and Avoid Distractions.  Lifehack. https://www.lifehack.org/884657/stay-on-task

Director/Producer/Host's Last Name, First initial. Second initial if Given. (Role in the production e.g. Host, Director, Producer) (Year podcast was released, Month Day if given). Title of podcast episode: Subtitle if given (episode number if known) [Audio podcast episode]. In  Title of Podcast . Publisher. URL if known

Prime, K. (Host). (2019), March 29). For whom the cowbell tolls [Audio podcast episode]. In  Radiolab.  WNYC Studios. https://www.wnycstudios.org/story/whom-cowbell-tolls

Streaming Video (YouTube, Vimeo, Hulu):

Last Name, First Initial. Second Initial. of person who posted the video if known. [User name that posted the video] . (Year video was posted, Month Day).  Title of video  [Video]. Name of Streaming Service. URL

Green, H. [Crash Course]. (2012, December 18).  Ecosystem Ecology: Links in the Chain - Crash Course Ecology #7  [Video]. Youtube. https://www.youtube.com/watch?v=v6ubvEJ3KGM

Twitter (Tweet):

Lastname, F. M. or Name of Group [@username]. (Year, Month Date). Content of the post up to the first 20 words [Tweet]. Site Name. URL

National Geographic [@NatGeo]. (2020, January 12). Scientists knew African grays are clever, but now they’ve been documented assisting other members of their species—even strangers [Tweet; thumbnail link to article]. Twitter. https://twitter.com/NatGeo/status/1216346352063537154

Corporate or Group as Author:

Corporation/Group/Organization's Name. (Year website was last updated/published, Month Day if given).  Title of page: Subtitle  (if any). Website Name. URL

American Society for the Prevention of Cruelty to Animals. (2019, November 21).  Justice served: Case closed for over 40 dogfighting victims . https://www.aspca.org/news/justice-served-case-closed-over-40-dogfighting-victims

Author's Last Name, First Initial. Second Initial if Given. (Year webpage was last updated/published, Month Day if given).  Title of page: Subtitle (if any) . Website name. URL

Lynch, G., Legar H. S. (2020, January 16). Best gadgets 2020: the top tech you can buy right now . techradar. https://www.techradar.com/news/best-gadgets

Learn more about In-Text Citations: Basics

Learn more about In-Text Citations: Author/Authors

Follow these guidelines to format your paper in APA style, unless your professor has a specific preference. Your paper should be in three major sections: the title page, main body, and the references list. If you are writing a professional paper, then there should be 4 major sections: the title page, abstract, main body, and the references list. Here are some other guidelines you'll need to follow:

• double-space
• 1" margins on all sides
• student paper: page number
• professional paper: "TITLE OF YOUR PAPER" then page number
• 12-point Times New Roman
• 11-point Georgia
• 11-point Calibri
• 11-point Arial
• 10-point Lucida Sans Unicode
• 11-point Computer Modern

Learn more about General Format from Purdue OWL.

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How to Cite a Research Paper in APA

Last Updated: October 19, 2022 Fact Checked

This article was co-authored by wikiHow Staff . Our trained team of editors and researchers validate articles for accuracy and comprehensiveness. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. There are 12 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 160,651 times. Learn more...

If you’re citing a research article or paper in APA style, you’ll need to use a specific citation format that varies depending on the source. Assess whether your source is an article or report published in an academic journal or book, or whether it is an unpublished research paper, such as a print-only thesis or dissertation. Either way, your in-text citations will need to include information about the author (if available) and the date when your source was published or written.

Sample Citations

Writing an In-Text Citation

• For example, you may write, “Gardener (2008) notes, ‘There are several factors to consider about lobsters’ (p. 199).”

• For example, you may write, “‘There are several factors to consider about lobsters’ (Gardner, 2008, p. 199).” Or, “The paper claims, ‘The fallen angel trope is common in religious and non-religious texts’ (Meek & Hill, 2015, p.13-14).”
• For articles with 3-5 authors, write out the names of all the authors the first time you cite the source. For example: (Hammett, Wooster, Smith, & Charles, 1928). In subsequent citations, write only the first author’s name, followed by et al.: (Hammett et al., 1928).
• If there are 6 or more authors for the paper, include the last name of the first author listed and then write "et al." to indicate that there are more than 5 authors.
• For example, you may write, "'This is a quote' (Minaj et al., 1997, p. 45)."

• For example, you may write, “‘The risk of cervical cancer in women is rising’ (American Cancer Society, 2012, p. 2).”

• For example, you may write, “‘Shakespeare may have been a woman’ (“Radical English Literature,” 2004, p. 45).” Or, “The paper notes, ‘There is a boom in Virgin Mary imagery’ (“Art History in Italy,” 2011, p. 32).”

• For example, you may write, “‘There are several factors to consider about lobsters’ (Gardner, 2008, p. 199).” Or, “The paper claims, ‘The fallen angel trope is common in religious and non-religious texts’ (“Iconography in Italian Frescos,” 2015, p.13-14).”

• For example, you may write, “‘There are several factors to consider about lobsters’ (Gardner, 2008, p. 199).” Or, “The paper claims, ‘The fallen angel trope is common in religious and non-religious texts’ (“Iconography in Italian Frescos,” 2015, p.145-146).”

• For example, you may write, “‘The effects of food deprivation are long-term’ (Mett, 2005, para. 18).”

Creating a Reference List Citation for a Published Source

• Material on websites is also considered “published,” even if it’s not peer-reviewed or associated with a formal publishing company.
• While academic dissertations or theses that are print-only are considered unpublished, these types of documents are considered published if they’re included in an online database (such as ProQuest) or incorporated into an institutional repository.

• For example, you may write, “Gardner, L. M.” Or, “Meek, P. Q., Kendrick, L. H., & Hill, R. W.”
• If there is no author, you can list the name of the organization that published the research paper. For example, you may write, “American Cancer Society” or “The Reading Room.”
• Formally published documents that don’t list an author or that have a corporate author are typically reports or white papers .

• For example, you may write, “Gardner, L. M. (2008).” Or, “American Cancer Society. (2015).”

• For example, you may write, “Gardner, L. M. (2008). Crustaceans: Research and data.” Or, “American Cancer Society. (2015). Cervical cancer rates in women ages 20-45.”

• For example, for a journal article, you may write, “Gardner, L. M. (2008). Crustaceans: Research and data. Modern Journal of Malacostracan Research, 25, 150-305.”
• For a book chapter, you could write: “Wooster, B. W. (1937). A comparative study of modern Dutch cow creamers. In T. E. Travers (Ed.), A Detailed History of Tea Serviceware (pp. 127-155). London: Wimble Press."

• For example, you may write, “Kotb, M. A., Kamal, A. M., Aldossary, N. M., & Bedewi, M. A. (2019). Effect of vitamin D replacement on depression in multiple sclerosis patients. Multiple Sclerosis and Related Disorders, 29, 111-117. Retrieved from PubMed, https://www.ncbi.nlm.nih.gov/pubmed/30708308.
• If you’re citing a paper or article that was published online but did not come from an academic journal or database, provide information about the author (if known), the date of publication (if available), and the website where you found the article. For example: “Hill, M. (n.d.). Egypt in the Ptolemaic Period. Retrieved from https://www.metmuseum.org/toah/hd/ptol/hd_ptol.htm”

Citing Unpublished Sources in Your Reference List

• Print-only dissertations or theses.
• Articles or book chapters that are in press or have been recently prepared or submitted for publication.
• Papers that have been rejected for publication or were never intended for publication (such as student research papers or unpublished conference papers).

• If the paper is currently being prepared for publication, include the author’s name, the year when the current draft was completed, and the title of the article in italics, followed by “Manuscript in preparation.” For example: Wooster, B. W. (1932). What the well-dressed man is wearing. Manuscript in preparation.
• If the paper has been submitted for publication, format the citation the same way as if it were in preparation, but instead follow the title with “Manuscript submitted for publication.” For example: Wooster, B. W. (1932). What the well-dressed man is wearing. Manuscript submitted for publication.
• If the paper has been accepted for publication but is not yet published, replace the date with “in press.” Do not italicize the paper title, but do include the title of the periodical or book in which it will be published and italicize that. For example: Wooster, B. W. (in press). What the well-dressed man is wearing. Milady’s Boudoir.

• If the paper was written for a conference but never published, your citation should look like this: Riker, W. T. (2019, March). Traditional methods for the preparation of spiny lobe-fish. Paper presented at the 325th Annual Intergalactic Culinary Conference, San Francisco, CA.
• For an unpublished paper written by a student for a class, include details about the institution where the paper was written. For example: Crusher, B. H. (2019). A typology of Cardassian skin diseases. Unpublished manuscript, Department of External Medicine, Starfleet Academy, San Francisco, CA.

• For example, you may write, “Pendlebottom, R. H. (2011). Iconography in Italian Frescos (Unpublished doctoral dissertation). New York University, New York, United States.”

Community Q&A

• If you want certain information to stand out in the research paper, then you can consider using a block quote. Thanks Helpful 0 Not Helpful 0

You Might Also Like

• ↑ https://libraryguides.vu.edu.au/apa-referencing/7JournalArticles
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/in_text_citations_author_authors.html
• ↑ https://bowvalleycollege.libguides.com/c.php?g=714519&p=5093747
• ↑ https://guides.libraries.psu.edu/apaquickguide/intext
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/in_text_citations_the_basics.html
• ↑ https://libguides.southernct.edu/c.php?g=7125&p=34582#1951239
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/reference_list_electronic_sources.html
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/reference_list_articles_in_periodicals.html
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/reference_list_books.html
• ↑ https://morlingcollege.libguides.com/apareferencing/unpublished-or-informally-published-work
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/general_apa_faqs.html
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/reference_list_other_print_sources.html

About This Article

To cite a research paper in-text in APA, name the author in the text to introduce the quote and put the publication date for the text in parentheses. At the end of your quote, put the page number in parentheses. If you don’t mention the author in your prose, include them in the citation. Start the citation, which should come at the end of the quote, by listing the author’s last name, the year of publication, and the page number. Make sure to put all of this information in parentheses. If there’s no author, use the name of the organization that published the paper or the first few words from the title. To learn how to cite published and unpublished sources in your reference list, keep reading! Did this summary help you? Yes No

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Home » How to Cite Research Paper – All Formats and Examples

How to Cite Research Paper – All Formats and Examples

Table of Contents

Research Paper Citation

Research paper citation refers to the act of acknowledging and referencing a previously published work in a scholarly or academic paper . When citing sources, researchers provide information that allows readers to locate the original source, validate the claims or arguments made in the paper, and give credit to the original author(s) for their work.

The citation may include the author’s name, title of the publication, year of publication, publisher, and other relevant details that allow readers to trace the source of the information. Proper citation is a crucial component of academic writing, as it helps to ensure accuracy, credibility, and transparency in research.

How to Cite Research Paper

There are several formats that are used to cite a research paper. Follow the guide for the Citation of a Research Paper:

Last Name, First Name. Title of Book. Publisher, Year of Publication.

Example : Smith, John. The History of the World. Penguin Press, 2010.

Journal Article

Last Name, First Name. “Title of Article.” Title of Journal, vol. Volume Number, no. Issue Number, Year of Publication, pp. Page Numbers.

Example : Johnson, Emma. “The Effects of Climate Change on Agriculture.” Environmental Science Journal, vol. 10, no. 2, 2019, pp. 45-59.

Research Paper

Last Name, First Name. “Title of Paper.” Conference Name, Location, Date of Conference.

Example : Garcia, Maria. “The Importance of Early Childhood Education.” International Conference on Education, Paris, 5-7 June 2018.

Author’s Last Name, First Name. “Title of Webpage.” Website Title, Publisher, Date of Publication, URL.

Example : Smith, John. “The Benefits of Exercise.” Healthline, Healthline Media, 1 March 2022, https://www.healthline.com/health/benefits-of-exercise.

News Article

Last Name, First Name. “Title of Article.” Name of Newspaper, Date of Publication, URL.

Example : Robinson, Sarah. “Biden Announces New Climate Change Policies.” The New York Times, 22 Jan. 2021, https://www.nytimes.com/2021/01/22/climate/biden-climate-change-policies.html.

Author, A. A. (Year of publication). Title of book. Publisher.

Example: Smith, J. (2010). The History of the World. Penguin Press.

Author, A. A., Author, B. B., & Author, C. C. (Year of publication). Title of article. Title of Journal, volume number(issue number), page range.

Example: Johnson, E., Smith, K., & Lee, M. (2019). The Effects of Climate Change on Agriculture. Environmental Science Journal, 10(2), 45-59.

Author, A. A. (Year of publication). Title of paper. In Editor First Initial. Last Name (Ed.), Title of Conference Proceedings (page numbers). Publisher.

Example: Garcia, M. (2018). The Importance of Early Childhood Education. In J. Smith (Ed.), Proceedings from the International Conference on Education (pp. 60-75). Springer.

Author, A. A. (Year, Month Day of publication). Title of webpage. Website name. URL

Example: Smith, J. (2022, March 1). The Benefits of Exercise. Healthline. https://www.healthline.com/health/benefits-of-exercise

Author, A. A. (Year, Month Day of publication). Title of article. Newspaper name. URL.

Example: Robinson, S. (2021, January 22). Biden Announces New Climate Change Policies. The New York Times. https://www.nytimes.com/2021/01/22/climate/biden-climate-change-policies.html

Chicago/Turabian style

Please note that there are two main variations of the Chicago style: the author-date system and the notes and bibliography system. I will provide examples for both systems below.

Author-Date system:

• In-text citation: (Author Last Name Year, Page Number)
• Reference list: Author Last Name, First Name. Year. Title of Book. Place of publication: Publisher.
• In-text citation: (Smith 2005, 28)
• Reference list: Smith, John. 2005. The History of America. New York: Penguin Press.

Notes and Bibliography system:

• Footnote/Endnote citation: Author First Name Last Name, Title of Book (Place of publication: Publisher, Year), Page Number.
• Bibliography citation: Author Last Name, First Name. Title of Book. Place of publication: Publisher, Year.
• Footnote/Endnote citation: John Smith, The History of America (New York: Penguin Press, 2005), 28.
• Bibliography citation: Smith, John. The History of America. New York: Penguin Press, 2005.

JOURNAL ARTICLES:

• Reference list: Author Last Name, First Name. Year. “Article Title.” Journal Title Volume Number (Issue Number): Page Range.
• In-text citation: (Johnson 2010, 45)
• Reference list: Johnson, Mary. 2010. “The Impact of Social Media on Society.” Journal of Communication 60(2): 39-56.
• Footnote/Endnote citation: Author First Name Last Name, “Article Title,” Journal Title Volume Number, Issue Number (Year): Page Range.
• Bibliography citation: Author Last Name, First Name. “Article Title.” Journal Title Volume Number, Issue Number (Year): Page Range.
• Footnote/Endnote citation: Mary Johnson, “The Impact of Social Media on Society,” Journal of Communication 60, no. 2 (2010): 39-56.
• Bibliography citation: Johnson, Mary. “The Impact of Social Media on Society.” Journal of Communication 60, no. 2 (2010): 39-56.

RESEARCH PAPERS:

• Reference list: Author Last Name, First Name. Year. “Title of Paper.” Conference Proceedings Title, Location, Date. Publisher, Page Range.
• In-text citation: (Jones 2015, 12)
• Reference list: Jones, David. 2015. “The Effects of Climate Change on Agriculture.” Proceedings of the International Conference on Climate Change, Paris, France, June 1-3, 2015. Springer, 10-20.
• Footnote/Endnote citation: Author First Name Last Name, “Title of Paper,” Conference Proceedings Title, Location, Date (Place of publication: Publisher, Year), Page Range.
• Bibliography citation: Author Last Name, First Name. “Title of Paper.” Conference Proceedings Title, Location, Date. Place of publication: Publisher, Year.
• Footnote/Endnote citation: David Jones, “The Effects of Climate Change on Agriculture,” Proceedings of the International Conference on Climate Change, Paris, France, June 1-3, 2015 (New York: Springer, 10-20).
• Bibliography citation: Jones, David. “The Effects of Climate Change on Agriculture.” Proceedings of the International Conference on Climate Change, Paris, France, June 1-3, 2015. New York: Springer, 10-20.
• In-text citation: (Author Last Name Year)
• Reference list: Author Last Name, First Name. Year. “Title of Webpage.” Website Name. URL.
• In-text citation: (Smith 2018)
• Reference list: Smith, John. 2018. “The Importance of Recycling.” Environmental News Network. https://www.enn.com/articles/54374-the-importance-of-recycling.
• Footnote/Endnote citation: Author First Name Last Name, “Title of Webpage,” Website Name, URL (accessed Date).
• Bibliography citation: Author Last Name, First Name. “Title of Webpage.” Website Name. URL (accessed Date).
• Footnote/Endnote citation: John Smith, “The Importance of Recycling,” Environmental News Network, https://www.enn.com/articles/54374-the-importance-of-recycling (accessed April 8, 2023).
• Bibliography citation: Smith, John. “The Importance of Recycling.” Environmental News Network. https://www.enn.com/articles/54374-the-importance-of-recycling (accessed April 8, 2023).

NEWS ARTICLES:

• Reference list: Author Last Name, First Name. Year. “Title of Article.” Name of Newspaper, Month Day.
• In-text citation: (Johnson 2022)
• Reference list: Johnson, Mary. 2022. “New Study Finds Link Between Coffee and Longevity.” The New York Times, January 15.
• Footnote/Endnote citation: Author First Name Last Name, “Title of Article,” Name of Newspaper (City), Month Day, Year.
• Bibliography citation: Author Last Name, First Name. “Title of Article.” Name of Newspaper (City), Month Day, Year.
• Footnote/Endnote citation: Mary Johnson, “New Study Finds Link Between Coffee and Longevity,” The New York Times (New York), January 15, 2022.
• Bibliography citation: Johnson, Mary. “New Study Finds Link Between Coffee and Longevity.” The New York Times (New York), January 15, 2022.

Harvard referencing style

Format: Author’s Last name, First initial. (Year of publication). Title of book. Publisher.

Example: Smith, J. (2008). The Art of War. Random House.

Journal article:

Format: Author’s Last name, First initial. (Year of publication). Title of article. Title of journal, volume number(issue number), page range.

Example: Brown, M. (2012). The impact of social media on business communication. Harvard Business Review, 90(12), 85-92.

Research paper:

Format: Author’s Last name, First initial. (Year of publication). Title of paper. In Editor’s First initial. Last name (Ed.), Title of book (page range). Publisher.

Example: Johnson, R. (2015). The effects of climate change on agriculture. In S. Lee (Ed.), Climate Change and Sustainable Development (pp. 45-62). Springer.

Format: Author’s Last name, First initial. (Year, Month Day of publication). Title of page. Website name. URL.

Example: Smith, J. (2017, May 23). The history of the internet. Encyclopedia Britannica. https://www.britannica.com/topic/history-of-the-internet

News article:

Format: Author’s Last name, First initial. (Year, Month Day of publication). Title of article. Title of newspaper, page number (if applicable).

Example: Thompson, E. (2022, January 5). New study finds coffee may lower risk of dementia. The New York Times, A1.

IEEE Format

Author(s). (Year of Publication). Title of Book. Publisher.

Smith, J. K. (2015). The Power of Habit: Why We Do What We Do in Life and Business. Random House.

Journal Article:

Author(s). (Year of Publication). Title of Article. Title of Journal, Volume Number (Issue Number), page numbers.

Johnson, T. J., & Kaye, B. K. (2016). Interactivity and the Future of Journalism. Journalism Studies, 17(2), 228-246.

Author(s). (Year of Publication). Title of Paper. Paper presented at Conference Name, Location.

Jones, L. K., & Brown, M. A. (2018). The Role of Social Media in Political Campaigns. Paper presented at the 2018 International Conference on Social Media and Society, Copenhagen, Denmark.

• Website: Author(s) or Organization Name. (Year of Publication or Last Update). Title of Webpage. Website Name. URL.

Example: National Aeronautics and Space Administration. (2019, August 29). NASA’s Mission to Mars. NASA. https://www.nasa.gov/topics/journeytomars/index.html

• News Article: Author(s). (Year of Publication). Title of Article. Name of News Source. URL.

Example: Johnson, M. (2022, February 16). Climate Change: Is it Too Late to Save the Planet? CNN. https://www.cnn.com/2022/02/16/world/climate-change-planet-scn/index.html

Vancouver Style

In-text citation: Use superscript numbers to cite sources in the text, e.g., “The study conducted by Smith and Johnson^1 found that…”.

Reference list citation: Format: Author(s). Title of book. Edition if any. Place of publication: Publisher; Year of publication.

Example: Smith J, Johnson L. Introduction to Molecular Biology. 2nd ed. New York: Wiley-Blackwell; 2015.

In-text citation: Use superscript numbers to cite sources in the text, e.g., “Several studies have reported that^1,2,3…”.

Reference list citation: Format: Author(s). Title of article. Abbreviated name of journal. Year of publication; Volume number (Issue number): Page range.

Example: Jones S, Patel K, Smith J. The effects of exercise on cardiovascular health. J Cardiol. 2018; 25(2): 78-84.

In-text citation: Use superscript numbers to cite sources in the text, e.g., “Previous research has shown that^1,2,3…”.

Reference list citation: Format: Author(s). Title of paper. In: Editor(s). Title of the conference proceedings. Place of publication: Publisher; Year of publication. Page range.

Example: Johnson L, Smith J. The role of stem cells in tissue regeneration. In: Patel S, ed. Proceedings of the 5th International Conference on Regenerative Medicine. London: Academic Press; 2016. p. 68-73.

In-text citation: Use superscript numbers to cite sources in the text, e.g., “According to the World Health Organization^1…”.

Reference list citation: Format: Author(s). Title of webpage. Name of website. URL [Accessed Date].

Example: World Health Organization. Coronavirus disease (COVID-19) advice for the public. World Health Organization. https://www.who.int/emergencies/disease/novel-coronavirus-2019/advice-for-public [Accessed 3 March 2023].

In-text citation: Use superscript numbers to cite sources in the text, e.g., “According to the New York Times^1…”.

Reference list citation: Format: Author(s). Title of article. Name of newspaper. Year Month Day; Section (if any): Page number.

Example: Jones S. Study shows that sleep is essential for good health. The New York Times. 2022 Jan 12; Health: A8.

Author(s). Title of Book. Edition Number (if it is not the first edition). Publisher: Place of publication, Year of publication.

Example: Smith, J. Chemistry of Natural Products. 3rd ed.; CRC Press: Boca Raton, FL, 2015.

Journal articles:

Author(s). Article Title. Journal Name Year, Volume, Inclusive Pagination.

Example: Garcia, A. M.; Jones, B. A.; Smith, J. R. Selective Synthesis of Alkenes from Alkynes via Catalytic Hydrogenation. J. Am. Chem. Soc. 2019, 141, 10754-10759.

Research papers:

Author(s). Title of Paper. Journal Name Year, Volume, Inclusive Pagination.

Example: Brown, H. D.; Jackson, C. D.; Patel, S. D. A New Approach to Photovoltaic Solar Cells. J. Mater. Chem. 2018, 26, 134-142.

Author(s) (if available). Title of Webpage. Name of Website. URL (accessed Month Day, Year).

Example: National Institutes of Health. Heart Disease and Stroke. National Heart, Lung, and Blood Institute. https://www.nhlbi.nih.gov/health-topics/heart-disease-and-stroke (accessed April 7, 2023).

News articles:

Author(s). Title of Article. Name of News Publication. Date of Publication. URL (accessed Month Day, Year).

Example: Friedman, T. L. The World is Flat. New York Times. April 7, 2023. https://www.nytimes.com/2023/04/07/opinion/world-flat-globalization.html (accessed April 7, 2023).

In AMA Style Format, the citation for a book should include the following information, in this order:

• Title of book (in italics)
• Edition (if applicable)
• Place of publication
• Year of publication

Lodish H, Berk A, Zipursky SL, et al. Molecular Cell Biology. 4th ed. New York, NY: W. H. Freeman; 2000.

In AMA Style Format, the citation for a journal article should include the following information, in this order:

• Title of article
• Abbreviated title of journal (in italics)
• Year of publication; volume number(issue number):page numbers.

Chen H, Huang Y, Li Y, et al. Effects of mindfulness-based stress reduction on depression in adolescents and young adults: a systematic review and meta-analysis. JAMA Netw Open. 2020;3(6):e207081. doi:10.1001/jamanetworkopen.2020.7081

In AMA Style Format, the citation for a research paper should include the following information, in this order:

• Title of paper
• Name of journal or conference proceeding (in italics)
• Volume number(issue number):page numbers.

Bredenoord AL, Kroes HY, Cuppen E, Parker M, van Delden JJ. Disclosure of individual genetic data to research participants: the debate reconsidered. Trends Genet. 2011;27(2):41-47. doi:10.1016/j.tig.2010.11.004

In AMA Style Format, the citation for a website should include the following information, in this order:

• Title of web page or article
• Name of website (in italics)
• Date of publication or last update (if available)
• URL (website address)
• Date of access (month day, year)

Centers for Disease Control and Prevention. How to protect yourself and others. CDC. Published February 11, 2022. Accessed February 14, 2022. https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/prevention.html

In AMA Style Format, the citation for a news article should include the following information, in this order:

• Name of newspaper or news website (in italics)
• Date of publication

Gorman J. Scientists use stem cells from frogs to build first living robots. The New York Times. January 13, 2020. Accessed January 14, 2020. https://www.nytimes.com/2020/01/13/science/living-robots-xenobots.html

Bluebook Format

One author: Daniel J. Solove, The Future of Reputation: Gossip, Rumor, and Privacy on the Internet (Yale University Press 2007).

Two or more authors: Martha Nussbaum and Saul Levmore, eds., The Offensive Internet: Speech, Privacy, and Reputation (Harvard University Press 2010).

Journal article

One author: Daniel J. Solove, “A Taxonomy of Privacy,” University of Pennsylvania Law Review 154, no. 3 (January 2006): 477-560.

Two or more authors: Ethan Katsh and Andrea Schneider, “The Emergence of Online Dispute Resolution,” Journal of Dispute Resolution 2003, no. 1 (2003): 7-19.

One author: Daniel J. Solove, “A Taxonomy of Privacy,” GWU Law School Public Law Research Paper No. 113, 2005.

Two or more authors: Ethan Katsh and Andrea Schneider, “The Emergence of Online Dispute Resolution,” Cyberlaw Research Paper Series Paper No. 00-5, 2000.

WebsiteElectronic Frontier Foundation, “Surveillance Self-Defense,” accessed April 8, 2023, https://ssd.eff.org/.

News article

One author: Mark Sherman, “Court Deals Major Blow to Net Neutrality Rules,” ABC News, January 14, 2014, https://abcnews.go.com/Politics/wireStory/court-deals-major-blow-net-neutrality-rules-21586820.

Two or more authors: Siobhan Hughes and Brent Kendall, “AT&T Wins Approval to Buy Time Warner,” Wall Street Journal, June 12, 2018, https://www.wsj.com/articles/at-t-wins-approval-to-buy-time-warner-1528847249.

In-Text Citation: (Author’s last name Year of Publication: Page Number)

Example: (Smith 2010: 35)

Reference List Citation: Author’s last name First Initial. Title of Book. Edition. Place of publication: Publisher; Year of publication.

Example: Smith J. Biology: A Textbook. 2nd ed. New York: Oxford University Press; 2010.

Example: (Johnson 2014: 27)

Reference List Citation: Author’s last name First Initial. Title of Article. Abbreviated Title of Journal. Year of publication;Volume(Issue):Page Numbers.

Example: Johnson S. The role of dopamine in addiction. J Neurosci. 2014;34(8): 2262-2272.

Example: (Brown 2018: 10)

Reference List Citation: Author’s last name First Initial. Title of Paper. Paper presented at: Name of Conference; Date of Conference; Place of Conference.

Example: Brown R. The impact of social media on mental health. Paper presented at: Annual Meeting of the American Psychological Association; August 2018; San Francisco, CA.

Example: (World Health Organization 2020: para. 2)

Reference List Citation: Author’s last name First Initial. Title of Webpage. Name of Website. URL. Published date. Accessed date.

Example: World Health Organization. Coronavirus disease (COVID-19) pandemic. WHO website. https://www.who.int/emergencies/disease-coronavirus-2019. Updated August 17, 2020. Accessed September 5, 2021.

Example: (Smith 2019: para. 5)

Reference List Citation: Author’s last name First Initial. Title of Article. Title of Newspaper or Magazine. Year of publication; Month Day:Page Numbers.

Example: Smith K. New study finds link between exercise and mental health. The New York Times. 2019;May 20: A6.

Purpose of Research Paper Citation

The purpose of citing sources in a research paper is to give credit to the original authors and acknowledge their contribution to your work. By citing sources, you are also demonstrating the validity and reliability of your research by showing that you have consulted credible and authoritative sources. Citations help readers to locate the original sources that you have referenced and to verify the accuracy and credibility of your research. Additionally, citing sources is important for avoiding plagiarism, which is the act of presenting someone else’s work as your own. Proper citation also shows that you have conducted a thorough literature review and have used the existing research to inform your own work. Overall, citing sources is an essential aspect of academic writing and is necessary for building credibility, demonstrating research skills, and avoiding plagiarism.

Advantages of Research Paper Citation

There are several advantages of research paper citation, including:

• Giving credit: By citing the works of other researchers in your field, you are acknowledging their contribution and giving credit where it is due.
• Strengthening your argument: Citing relevant and reliable sources in your research paper can strengthen your argument and increase its credibility. It shows that you have done your due diligence and considered various perspectives before drawing your conclusions.
• Demonstrating familiarity with the literature : By citing various sources, you are demonstrating your familiarity with the existing literature in your field. This is important as it shows that you are well-informed about the topic and have done a thorough review of the available research.
• Providing a roadmap for further research: By citing relevant sources, you are providing a roadmap for further research on the topic. This can be helpful for future researchers who are interested in exploring the same or related issues.
• Building your own reputation: By citing the works of established researchers in your field, you can build your own reputation as a knowledgeable and informed scholar. This can be particularly helpful if you are early in your career and looking to establish yourself as an expert in your field.

About the author

Muhammad Hassan

Researcher, Academic Writer, Web developer

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Cite Right: A Quick Guide to Citation Styles

MLA Handbook. 9th ed.

Available in Reference.

Rules for Writers with 2016 MLA Update

Available in the main collection and in Reference.

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MLA Resources from the MLA Style Center

The links in the MLA Style Center reflect MLA Style 9th Edition. 

• MLA Handbook 9th Edition 1.0: Introduction to Formatting Your Research Project The following guidelines have been widely adopted by instructors and educational institutions to standardize manuscript formatting, making it easier for instructors to evaluate papers and theses and for writers to focus on making decisions about their research, ideas, and prose. more... less... Although these guidelines follow common conventions, acceptable variations exist. Follow the directions of your instructor, school, or publisher if you are asked to use different formatting guidelines. You should also be responsive to the specific demands of your project, which may have unique needs that require you to use a formatting style not described...
• Ask the MLA Search Our List of Frequently Asked Questions
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• Quick Guide: Getting Started with MLA Style via MLA Handbook Plus
• Quick Guide: Using the MLA Template of Core Elements bia MLA Handbook PLus
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• * Quick Guide: In-Text Citations in MLA Style via MLA Handbook Plus

MLA Style via Purdue OWL

The links in Purdue OWL reflect MLA Style 9th Edition. 

• Citation Style Chart via Purdue OWL:
• MLA Works Cited - Citations by Format Entries in the works-cited list are created using the MLA template of core elements—facts common to most sources, like author, title, and publication date.
• MLA Works Cited: Electronic Sources (Web Publications) Websites, pages on websites, eBooks, images, eArticles, social media...
• MLA Works Cited: Other Common Sources Interviews; speeches, lectures, or presentations; panel discussions; painting, sculpture, or photograph; conference proceedings, song or album; film or movie; podcasts; digital files
• MLA Works Cited Page: Books in Print
• MLA Works Cited Page: Periodicals in Print (Journals, Magazines & Newspapers)
• MLA In-Text Citations: The Basics
• MLA Style Sample Paper
• MLA Style Sample Works Cited
• MLA 9th PowerPoint Presentation

MLA Style 9th Annotated Bibliography via Purdue Owl

The links in Purdue OWL reflect MLA Style 9th Edition.

• Annotated Bibliographies Definitions and format
• Annotated Bibliography Breakdown How to...
• Annotated Bibliography Samples Sample annotations from annotated bibliographies, each with a different research project. Remember that the annotations you include in your own bibliography should reflect your research project and/or the guidelines of your assignment...

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Research Paper Format: Your Ultimate Guide

In this article, our research proposal writing service experts will empower you to understand the critical role of formatting in academic writing. You'll explore various types of research papers and tailor your format to the specific demands of your project. Learn how to format a research paper in APA, MLA, ASA, and Chicago styles, and demystify the art of citation in each. Gain insights into crafting a well-structured, impactful paper, and join us as we unlock your research paper's true potential and elevate your academic writing skills to new heights!

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The Basics of Research Paper Formats

Before diving into the intricacies of different paper writing formats, it's essential to establish a clear understanding of what exactly a research paper format entails. In essence, it is a structured set of guidelines and rules that govern the layout, organization, and overall presentation of your scholarly work. It encompasses elements such as font styles, margins, headings, citations, and reference lists.

Why is adhering to a specific research article format so crucial? The answer lies in the very essence of academic writing. Research papers are the means through which scholars and students communicate their ideas, findings, and insights to the academic community and the world at large. Consistency in formatting is paramount because it ensures that your work is presented in a standardized, professional manner. Adhering to a specific format serves multiple purposes:

• Clarity and Professionalism: A consistent format enhances the clarity of your paper and presents it in a professional light. It allows readers to focus on the content rather than being distracted by inconsistent styling.
• Communication: Standardized formatting conventions enable scholars from various disciplines and institutions to understand your research more easily. It's a universal language that transcends academic boundaries.
• Credibility: Conforming to a recognized format demonstrates your commitment to the academic standards of your field. It establishes credibility and trust among your readers.

Formatting research papers effectively isn't just about aesthetics; it plays a pivotal role in making your research paper more readable and comprehensible. Here's how:

• Logical Flow: A well-structured format with clear headings and subheadings helps your readers navigate through your paper with ease, following the logical flow of your argument or analysis.
• Citations and References: Proper citation and referencing, integral parts of formatting, giving due credit to the sources you've used, and lending authority to your research.
• Consistency: Consistent formatting, from margins to font size and citation style, fosters a sense of order and coherence, making it simpler for your audience to focus on the content.
• Accessibility: An appropriate format ensures that your research paper is accessible to individuals with diverse reading preferences and needs. It accommodates those who skim, scan, or read in detail.

Meanwhile, you can always rely on our academic help with your ' write papers for me ' requests and pay for a research paper !

How the Choice of Format May Vary Based on the Type of Research Paper?

The type of paper you're working on plays a significant role in determining the most suitable college research paper format. For instance:

• Argumentative Papers: These often follow formats that highlight the thesis statement, counterarguments, and supporting evidence. In APA or MLA formats, clear citations and references are key.
• Analytical Papers: These may employ a variety of formats depending on the discipline, but clarity and logical flow are always crucial. APA or MLA can work well, depending on the subject.
• Empirical Papers: APA format is commonly used for empirical research papers due to its focus on methodology, results, and statistics.
• Literature Reviews: A literature review might follow APA, MLA, or Chicago styles, depending on the subject area. Consistent citation and referencing are essential.
• Survey Research Papers: APA or ASA (American Sociological Association) formats are often used for survey research, emphasizing methodology and results.

How to Format a Research Paper in Different Citation Styles?

The art of crafting a research paper layout extends beyond structure and organization; it also encompasses the intricate details of citation styles. Each academic discipline has its preferred citation style, and mastering the nuances of these styles is essential for academic success. In this section, we'll provide you with the knowledge and tools to navigate the intricacies of APA, MLA, ASA, and Chicago formats. Whether you're working on research paper topics in psychology, literature, sociology, or history, understanding how to format your paper is the key to presenting your findings with precision and authority.

APA Research Paper Format

When it comes to academic writing, the American Psychological Association (APA) style is a formidable presence. Widely used in the fields of psychology, education, and the social sciences, mastering the APA research paper format is essential for researchers, scholars, and students. In this section, we'll delve into the core elements of APA formatting, offering insights into everything from title pages to reference lists. Whether you're embarking on a psychology research paper or exploring the intricacies of the social sciences, understanding the APA format is your key to presenting research with clarity and precision. And, should you ever need assistance in crafting a well-structured paper, you can always rely on our expertise and request, ' write my research paper for me'!

How to Cite a Research Paper in APA?

Citing sources in an APA research paper format is essential for acknowledging the work of others and maintaining the credibility of your own research. Let's explore the key aspects of APA citation with concise examples:

In-Text Citations

In APA, in-text citations include the author's last name and the publication year. They can be integrated into your sentence or enclosed in parentheses.

Author's Name in the Sentence:

• Smith (2018) argued that...
• According to Smith (2018),...

Author's Name in Parentheses:

• This theory has been widely accepted (Smith, 2018).
• The results were inconclusive (Jones & Lee, 2019).
• When no author is available, use the first few words of the reference list entry and the year: ('Title of Article,' 2020).

Reference List

The reference list, located at the end of your paper, lists all the sources cited. Entries follow a specific format:

• Author(s): Last name and initials or organization name.
• Publication Year: Enclosed in parentheses.
• Title of Work: Italicized with sentence case.
• Source: Journal, book, or website.
• DOI or URL: For online sources.
• Smith, J. R. (2017). The Art of Research. American Psychological Association.

Journal Article:

• Brown, M., & Davis, S. (2020). Experimental Findings in Neuroscience. Journal of Advanced Research, 32(5), 123-135.

Online Source:

• Johnson, L. (2019). The Digital Age: A Comprehensive Overview. Retrieved from https://www.examplewebsite.com/digital-age

ASA Research Paper Format

The American Sociological Association (ASA) format serves as the standard in sociology and related disciplines, providing a structured framework for presenting research findings. Whether you're exploring social issues, demographics, or cultural phenomena, understanding the ASA research paper format is pivotal. In this section, we'll introduce you to the key elements of ASA formatting and guide you through the process of citing sources effectively.

How to Cite a Research Paper in ASA?

Citing sources in ASA format follows a specific set of guidelines designed to maintain consistency and clarity in sociological research. Let's delve into ASA citation with clear examples to ensure your research papers align with this discipline's requirements.

ASA in-text citations typically include the author's last name and the publication year, with variations based on whether the author is named in the text or included in parentheses.

• Johnson (2019) argued that...
• According to Johnson (2019),...
• This theory has been widely accepted (Johnson 2019).
• The results were inconclusive (Smith and Lee 2018).

The ASA reference list, located at the end of your paper, lists all the sources cited. Entries should include:

• Author(s): Last name, first name.
• Title of Work: Italicized in title case.
• Smith, John. 2017. The Art of Research. American Sociological Association.
• Brown, Mary, and Davis, Susan. 2020. 'Experimental Findings in Sociology.' Journal of Advanced Research 32(5): 123-135.
• Johnson, Laura. 2019. 'The Digital Age: A Comprehensive Overview.' Retrieved from https://www.examplewebsite.com/digital-age

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MLA Format Research Paper

The Modern Language Association (MLA) style is widely used in the humanities, including literature, language studies, and the arts. Navigating the research paper format MLA is essential for scholars and students in these fields. In this section, we'll provide an overview of the key elements of MLA formatting, guiding you through the process of citing sources accurately.

How to Cite a Research Paper in MLA?

Learning how to write a research paper in MLA format adheres to specific rules to ensure the clarity and consistency of your research papers. Let's delve into MLA citation with illustrative examples:

MLA in-text citations typically include the author's last name and the page number in parentheses. The format can vary based on whether the author's name is included in the sentence or enclosed in parentheses.

• Smith argued that 'the sky is blue' (25).
• According to Smith, 'the sky is blue' (25).
• This theory has been widely accepted (Johnson 42).
• The results were inconclusive (Smith and Lee 56).

Works Cited Page

The Works Cited page, located at the end of your paper, provides a comprehensive list of all the sources cited. Entries follow a specific format:

• Title of Work: Italicized with title case.
• Page Numbers: For print sources.
• URL: For online sources.
• Smith, John. The Art of Research. American Literary Press, 2017.
• Brown, Mary, and Susan Davis. 'Experimental Findings in Literature.' Journal of Advanced Research , vol. 32, no. 5, 2020, pp. 123-135.
• Johnson, Laura. 'The Digital Age: A Comprehensive Overview.' www.examplewebsite.com/digital-age.

Chicago Style of Citing Research Paper

The Chicago Manual of Style (CMS) is a versatile and widely recognized style guide used across various disciplines, including history, social sciences, and fine arts. Mastery of the Chicago research paper format is a valuable skill for researchers and students in these fields. In this section, we will explore the core elements of Chicago formatting and guide you through the process of accurately citing sources.

How to Cite a Research Paper in Chicago Style?

Chicago citation style offers flexibility, accommodating both notes and bibliography (NB) and author-date (AD) systems. Let's delve into Chicago citation with examples to ensure your research papers adhere to the requirements of your discipline.

In Chicago NB (Notes and Bibliography) format, in-text citations often appear as footnotes or endnotes, while Chicago AD (Author-Date) format employs parenthetical citations. The format can vary based on whether the author's name is included in the sentence or enclosed in parentheses.

Chicago NB Format:

• Smith argued that 'the sky is blue.' ¹
• According to Smith, 'the sky is blue.' ²

Chicago AD Format:

• (Smith 2017, 25)
• (Smith and Lee 2018, 56)

Bibliography (Chicago NB) or Reference List (Chicago AD)

The Bibliography (for NB) or Reference List (for AD) is located at the end of your paper and lists all the sources cited. Entries follow specific formats:

Book (Chicago NB):

Journal Article (Chicago AD):

• Brown, Mary, and Susan Davis. 2020. 'Experimental Findings in History.' Journal of Advanced Research 32, no. 5: 123-135.

Online Source (Chicago NB):

In the world of academia, mastering different types of research paper formatting and the art of citation is your passport to success. Whether it's APA, MLA, ASA, or Chicago, each format has its nuances, and understanding them is crucial. With a well-structured outline, clarity in in-text citations, and a meticulously organized reference list, you're poised to navigate the complexities of research paper writing. As you embark on your academic journey, remember that precise formatting and citing not only uphold the integrity of your work work but also enhance your scholarly impact.

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MLA (Modern Language Association) Documentation style

• MLA citation guide Covers the basic citation rules and provides citation examples of the commonly used source types.
• Purdue OWL: MLA Formatting and Style Guide A guide from Purdue University on using MLA guidelines in research papers and and citing all sources.

Each ACC Library has copies of the MLA Handbook.

It can be found in the circulation collection  where you can check out for 3 weeks  LB 2369 .M52 2021.

Citation Generators

Remember, even if you use a citation generator, it's still your responsibility to check over your citations to make sure they're correct!

• Citation Machine A citation generator for MLA, APA, Turabian and Chicago styles.
• KnightCite A citation generator created by the Hekman Library of Calvin College. It assists with creating citations in MLA, APA, and Chicago for all types of resources. You have the option to register for additional features such as saving and exporting citations.

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General Rules

Types of Plagiarism

Not sure why you need to document your sources?   Read our Documentation & Plagiarism Guide to find out.

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MLA In-Text Citations: The Basics

Welcome to the Purdue OWL

This page is brought to you by the OWL at Purdue University. When printing this page, you must include the entire legal notice.

Copyright ©1995-2018 by The Writing Lab & The OWL at Purdue and Purdue University. All rights reserved. This material may not be published, reproduced, broadcast, rewritten, or redistributed without permission. Use of this site constitutes acceptance of our terms and conditions of fair use.

Guidelines for referring to the works of others in your text using MLA style are covered throughout the  MLA Handbook  and in chapter 7 of the  MLA Style Manual . Both books provide extensive examples, so it's a good idea to consult them if you want to become even more familiar with MLA guidelines or if you have a particular reference question.

Basic in-text citation rules

In MLA Style, referring to the works of others in your text is done using parenthetical citations . This method involves providing relevant source information in parentheses whenever a sentence uses a quotation or paraphrase. Usually, the simplest way to do this is to put all of the source information in parentheses at the end of the sentence (i.e., just before the period). However, as the examples below will illustrate, there are situations where it makes sense to put the parenthetical elsewhere in the sentence, or even to leave information out.

General Guidelines

• The source information required in a parenthetical citation depends (1) upon the source medium (e.g. print, web, DVD) and (2) upon the source’s entry on the Works Cited page.
• Any source information that you provide in-text must correspond to the source information on the Works Cited page. More specifically, whatever signal word or phrase you provide to your readers in the text must be the first thing that appears on the left-hand margin of the corresponding entry on the Works Cited page.

In-text citations: Author-page style

MLA format follows the author-page method of in-text citation. This means that the author's last name and the page number(s) from which the quotation or paraphrase is taken must appear in the text, and a complete reference should appear on your Works Cited page. The author's name may appear either in the sentence itself or in parentheses following the quotation or paraphrase, but the page number(s) should always appear in the parentheses, not in the text of your sentence. For example:

Both citations in the examples above, (263) and (Wordsworth 263), tell readers that the information in the sentence can be located on page 263 of a work by an author named Wordsworth. If readers want more information about this source, they can turn to the Works Cited page, where, under the name of Wordsworth, they would find the following information:

Wordsworth, William. Lyrical Ballads . Oxford UP, 1967.

In-text citations for print sources with known author

For print sources like books, magazines, scholarly journal articles, and newspapers, provide a signal word or phrase (usually the author’s last name) and a page number. If you provide the signal word/phrase in the sentence, you do not need to include it in the parenthetical citation.

These examples must correspond to an entry that begins with Burke, which will be the first thing that appears on the left-hand margin of an entry on the Works Cited page:

Burke, Kenneth. Language as Symbolic Action: Essays on Life, Literature, and Method . University of California Press, 1966.

In-text citations for print sources by a corporate author

When a source has a corporate author, it is acceptable to use the name of the corporation followed by the page number for the in-text citation. You should also use abbreviations (e.g., nat'l for national) where appropriate, so as to avoid interrupting the flow of reading with overly long parenthetical citations.

In-text citations for sources with non-standard labeling systems

If a source uses a labeling or numbering system other than page numbers, such as a script or poetry, precede the citation with said label. When citing a poem, for instance, the parenthetical would begin with the word “line”, and then the line number or range. For example, the examination of William Blake’s poem “The Tyger” would be cited as such:

The speaker makes an ardent call for the exploration of the connection between the violence of nature and the divinity of creation. “In what distant deeps or skies. / Burnt the fire of thine eyes," they ask in reference to the tiger as they attempt to reconcile their intimidation with their relationship to creationism (lines 5-6).

Longer labels, such as chapters (ch.) and scenes (sc.), should be abbreviated.

In-text citations for print sources with no known author

When a source has no known author, use a shortened title of the work instead of an author name, following these guidelines.

Place the title in quotation marks if it's a short work (such as an article) or italicize it if it's a longer work (e.g. plays, books, television shows, entire Web sites) and provide a page number if it is available.

Titles longer than a standard noun phrase should be shortened into a noun phrase by excluding articles. For example, To the Lighthouse would be shortened to Lighthouse .

If the title cannot be easily shortened into a noun phrase, the title should be cut after the first clause, phrase, or punctuation:

In this example, since the reader does not know the author of the article, an abbreviated title appears in the parenthetical citation, and the full title of the article appears first at the left-hand margin of its respective entry on the Works Cited page. Thus, the writer includes the title in quotation marks as the signal phrase in the parenthetical citation in order to lead the reader directly to the source on the Works Cited page. The Works Cited entry appears as follows:

"The Impact of Global Warming in North America." Global Warming: Early Signs . 1999. www.climatehotmap.org/. Accessed 23 Mar. 2009.

If the title of the work begins with a quotation mark, such as a title that refers to another work, that quote or quoted title can be used as the shortened title. The single quotation marks must be included in the parenthetical, rather than the double quotation.

Parenthetical citations and Works Cited pages, used in conjunction, allow readers to know which sources you consulted in writing your essay, so that they can either verify your interpretation of the sources or use them in their own scholarly work.

Author-page citation for classic and literary works with multiple editions

Page numbers are always required, but additional citation information can help literary scholars, who may have a different edition of a classic work, like Marx and Engels's  The Communist Manifesto . In such cases, give the page number of your edition (making sure the edition is listed in your Works Cited page, of course) followed by a semicolon, and then the appropriate abbreviations for volume (vol.), book (bk.), part (pt.), chapter (ch.), section (sec.), or paragraph (par.). For example:

Author-page citation for works in an anthology, periodical, or collection

When you cite a work that appears inside a larger source (for instance, an article in a periodical or an essay in a collection), cite the author of the  internal source (i.e., the article or essay). For example, to cite Albert Einstein's article "A Brief Outline of the Theory of Relativity," which was published in  Nature  in 1921, you might write something like this:

See also our page on documenting periodicals in the Works Cited .

Citing authors with same last names

Sometimes more information is necessary to identify the source from which a quotation is taken. For instance, if two or more authors have the same last name, provide both authors' first initials (or even the authors' full name if different authors share initials) in your citation. For example:

Citing a work by multiple authors

For a source with two authors, list the authors’ last names in the text or in the parenthetical citation:

Corresponding Works Cited entry:

Best, David, and Sharon Marcus. “Surface Reading: An Introduction.” Representations , vol. 108, no. 1, Fall 2009, pp. 1-21. JSTOR, doi:10.1525/rep.2009.108.1.1

For a source with three or more authors, list only the first author’s last name, and replace the additional names with et al.

Franck, Caroline, et al. “Agricultural Subsidies and the American Obesity Epidemic.” American Journal of Preventative Medicine , vol. 45, no. 3, Sept. 2013, pp. 327-333.

Citing multiple works by the same author

If you cite more than one work by an author, include a shortened title for the particular work from which you are quoting to distinguish it from the others. Put short titles of books in italics and short titles of articles in quotation marks.

Citing two articles by the same author :

Citing two books by the same author :

Additionally, if the author's name is not mentioned in the sentence, format your citation with the author's name followed by a comma, followed by a shortened title of the work, and, when appropriate, the page number(s):

Citing multivolume works

If you cite from different volumes of a multivolume work, always include the volume number followed by a colon. Put a space after the colon, then provide the page number(s). (If you only cite from one volume, provide only the page number in parentheses.)

Citing the Bible

In your first parenthetical citation, you want to make clear which Bible you're using (and underline or italicize the title), as each version varies in its translation, followed by book (do not italicize or underline), chapter, and verse. For example:

If future references employ the same edition of the Bible you’re using, list only the book, chapter, and verse in the parenthetical citation:

John of Patmos echoes this passage when describing his vision (Rev. 4.6-8).

Citing indirect sources

Sometimes you may have to use an indirect source. An indirect source is a source cited within another source. For such indirect quotations, use "qtd. in" to indicate the source you actually consulted. For example:

Note that, in most cases, a responsible researcher will attempt to find the original source, rather than citing an indirect source.

Citing transcripts, plays, or screenplays

Sources that take the form of a dialogue involving two or more participants have special guidelines for their quotation and citation. Each line of dialogue should begin with the speaker's name written in all capitals and indented half an inch. A period follows the name (e.g., JAMES.) . After the period, write the dialogue. Each successive line after the first should receive an additional indentation. When another person begins speaking, start a new line with that person's name indented only half an inch. Repeat this pattern each time the speaker changes. You can include stage directions in the quote if they appear in the original source.

Conclude with a parenthetical that explains where to find the excerpt in the source. Usually, the author and title of the source can be given in a signal phrase before quoting the excerpt, so the concluding parenthetical will often just contain location information like page numbers or act/scene indicators.

Here is an example from O'Neill's  The Iceman Cometh.

WILLIE. (Pleadingly) Give me a drink, Rocky. Harry said it was all right. God, I need a drink.

ROCKY. Den grab it. It's right under your nose.

WILLIE. (Avidly) Thanks. (He takes the bottle with both twitching hands and tilts it to his lips and gulps down the whiskey in big swallows.) (1.1)

Citing non-print or sources from the Internet

With more and more scholarly work published on the Internet, you may have to cite sources you found in digital environments. While many sources on the Internet should not be used for scholarly work (reference the OWL's  Evaluating Sources of Information  resource), some Web sources are perfectly acceptable for research. When creating in-text citations for electronic, film, or Internet sources, remember that your citation must reference the source on your Works Cited page.

Sometimes writers are confused with how to craft parenthetical citations for electronic sources because of the absence of page numbers. However, these sorts of entries often do not require a page number in the parenthetical citation. For electronic and Internet sources, follow the following guidelines:

• Include in the text the first item that appears in the Work Cited entry that corresponds to the citation (e.g. author name, article name, website name, film name).
• Do not provide paragraph numbers or page numbers based on your Web browser’s print preview function.
• Unless you must list the Web site name in the signal phrase in order to get the reader to the appropriate entry, do not include URLs in-text. Only provide partial URLs such as when the name of the site includes, for example, a domain name, like  CNN.com  or  Forbes.com,  as opposed to writing out http://www.cnn.com or http://www.forbes.com.

Miscellaneous non-print sources

Two types of non-print sources you may encounter are films and lectures/presentations:

In the two examples above “Herzog” (a film’s director) and “Yates” (a presentor) lead the reader to the first item in each citation’s respective entry on the Works Cited page:

Herzog, Werner, dir. Fitzcarraldo . Perf. Klaus Kinski. Filmverlag der Autoren, 1982.

Yates, Jane. "Invention in Rhetoric and Composition." Gaps Addressed: Future Work in Rhetoric and Composition, CCCC, Palmer House Hilton, 2002. Address.

Electronic sources

Electronic sources may include web pages and online news or magazine articles:

In the first example (an online magazine article), the writer has chosen not to include the author name in-text; however, two entries from the same author appear in the Works Cited. Thus, the writer includes both the author’s last name and the article title in the parenthetical citation in order to lead the reader to the appropriate entry on the Works Cited page (see below).

In the second example (a web page), a parenthetical citation is not necessary because the page does not list an author, and the title of the article, “MLA Formatting and Style Guide,” is used as a signal phrase within the sentence. If the title of the article was not named in the sentence, an abbreviated version would appear in a parenthetical citation at the end of the sentence. Both corresponding Works Cited entries are as follows:

Taylor, Rumsey. "Fitzcarraldo." Slant , 13 Jun. 2003, www.slantmagazine.com/film/review/fitzcarraldo/. Accessed 29 Sep. 2009. 

"MLA Formatting and Style Guide." The Purdue OWL , 2 Aug. 2016, owl.english.purdue.edu/owl/resource/747/01/. Accessed 2 April 2018.

Multiple citations

To cite multiple sources in the same parenthetical reference, separate the citations by a semi-colon:

Time-based media sources

When creating in-text citations for media that has a runtime, such as a movie or podcast, include the range of hours, minutes and seconds you plan to reference. For example: (00:02:15-00:02:35).

When a citation is not needed

Common sense and ethics should determine your need for documenting sources. You do not need to give sources for familiar proverbs, well-known quotations, or common knowledge (For example, it is expected that U.S. citizens know that George Washington was the first President.). Remember that citing sources is a rhetorical task, and, as such, can vary based on your audience. If you’re writing for an expert audience of a scholarly journal, for example, you may need to deal with expectations of what constitutes “common knowledge” that differ from common norms.

Other Sources

The MLA Handbook describes how to cite many different kinds of authors and content creators. However, you may occasionally encounter a source or author category that the handbook does not describe, making the best way to proceed can be unclear.

In these cases, it's typically acceptable to apply the general principles of MLA citation to the new kind of source in a way that's consistent and sensible. A good way to do this is to simply use the standard MLA directions for a type of source that resembles the source you want to cite.

You may also want to investigate whether a third-party organization has provided directions for how to cite this kind of source. For example, Norquest College provides guidelines for citing Indigenous Elders and Knowledge Keepers⁠ —an author category that does not appear in the MLA Handbook . In cases like this, however, it's a good idea to ask your instructor or supervisor whether using third-party citation guidelines might present problems.

Get science-backed answers as you write with Paperpal's Research feature

How to Write the First Draft of a Research Paper with Paperpal? 

Do you encounter writer’s block during the first draft of a research paper? Crafting a clear outline from your initial ideas and notes can feel like a daunting first hurdle. Many researchers and students struggle with the initial stages of research paper writing. Uncertainties about content structure, information selection, and weaving complex findings into a cohesive narrative can lead to staring at a blank page. 

Table of Contents

• AI-generated outlines with a personalized approach 
• Identify gaps to strengthen your research paper 
• Step 1: Creating a research paper outline  
• Step 2: Breaking down the outline into sections  
• Step 3: Drafting the research paper  

A glimpse into academic forums and social media gives a clear picture that many researchers across the world go through similar problems while writing the first draft of a research paper. Where to begin? What should I write? How to begin? How to compile 2-3+ years of research into a 2500 or 5000-word research paper? If you’re grappling with these concerns, do not worry. You’re not alone.   

Researchers face a mountain of work when it comes to writing papers. Paperpal decided to tackle this challenge and, in the process, discovered some fascinating writing habits: 

• Start verbally: Some researchers find their flow by talking through their ideas first. They record themselves or brainstorm with a friend, then use these spoken notes as a springboard for their draft. 
• Write on the go: Others prioritize keeping their thoughts flowing freely. They write in bursts, leaving the structuring and editing for later. 
• Divide and Conquer: For some, especially new researchers, a structured approach works best. They break the paper into sections, focusing on building each one in detail before assembling the final draft. 
• Outlines: Many researchers swear by outlines. Outlines provide a roadmap, complete with headings, subheadings, and key points. This saves time in the long run by eliminating the need for major restructuring later. You can focus on polishing the language and adding academic vocabulary during the final edit . 

Inspired by the outline method, Paperpal set out to create a tool that would give researchers a head start. This led to the development of Paperpal’s AI-generated outlines, which build a rough skeleton for your draft, allowing you to flesh out each section with confidence. 

How do Paperpal’s AI-generated outlines help you write the first draft 2x faster?   

Unlike traditional outlining methods, Paperpal doesn’t just provide a generic structure. Paperpal’s AI-generated outlines identify the key topics that form the backbone of your draft, providing a clear structure without sacrificing crucial elements. 

AI-generated outlines with a personalized approach

Paperpal goes beyond just suggesting topics. It seamlessly integrates your input, including notes, ideas, and research findings. This ensures the generated outline reflects your unique perspective and aligns perfectly with your project goals. This personalized approach not only streamlines the drafting process but also fosters a sense of ownership, keeping you engaged and motivated. 

Identify gaps to strengthen your research paper

After creating an outline based on your notes, Paperpal takes things a step further by helping you flesh out each section with content suggestions. Let’s say you’re working on the introduction of your research paper . Paperpal not only analyzes your notes to generate an outline, but it also identifies potential gaps in your research. It can then suggest content additions like knowledge gaps, research questions, and rationale statements to address those weaknesses. This comprehensive support streamlines the writing process for your first draft, making it smoother and more effortless. 

Researchers who have incorporated Paperpal into their workflow, have achieved higher levels of academic writing productivity . The result? Producing the first draft of a research paper in a shorter time frame, without making it completely AI-driven. 

How to write the first draft of a research paper with Paperpal?  

Paperpal redefines the way researchers approach academic writing, transforming the once-daunting task of drafting into a breeze. Here’s a walkthrough of writing the first draft of a research paper with Paperpal.  

Step 1: Creating a research paper outline

• Sign- up to Paperpal and open a new or existing document.  
• Navigate to Templates , select Outlines and choose Research Article to begin.  
• Fill out the necessary details in the required fields according to your needs. Add your research notes to the Brief Description section and click on Generate .  

Paperpal gets you started on the right foot by analyzing your information and generating a comprehensive outline. This roadmap for your draft breaks down the content into clear, logical sections: 

• Background: Sets the context for your research. 
• Topic Importance: Highlights the significance of your research area. 
• Existing Knowledge: Summarizes what’s already known about the topic. 
• Knowledge Gap: Identifies areas where further research is needed. 
• Rationale: Explains why your research is important to address the gap. 
• Research Question: Formulates the specific question your research aims to answer. 
• Aim/Objective: Defines the overall goals and desired outcomes of your research. 
• Hypothesis: Makes a prediction about the expected results of your study (optional, not all research papers require a hypothesis). 

Paperpal’s outline provides a head-start to structure and write your research paper. This process helps in laying a strong foundation for your writing and refining it effortlessly.  

Step 2: Breaking down the outline into sections

Once you have the initial outline, you can further refine it by dividing it into subsections. This helps you explore each aspect of your research in detail, ensuring thorough coverage of your topic. You can choose from pre-built sections like Introduction, Methods, Results, Discussion, and Conclusion and start developing one by one.  

Step 3: Drafting the research paper

Start your research paper’s draft based on the outline and custom section enhancements. During the writing phase, Paperpal also offers insights into using its features:   

• Incorporating references and additional content as required  
• Rephrasing, shortening sentences, and refining language and structure using Paperpal’s Edit and Rewrite options  
• Refining your draft by adding citations and specific information relevant to the topic via Paperpal Research. This ensures originality, and clarity, and adds value to your writing.  

By streamlining the journey from raw research to a polished draft, Paperpal helps students, researchers, and academics overcome common writing hurdles and achieve greater productivity. Whether you are a seasoned researcher or a student, Paperpal serves as a trusted companion, guiding you through each stage of the drafting process. Unlock academic writing potential with Paperpal. Get your free Paperpal account today!  

Paperpal is a comprehensive AI writing toolkit that helps students and researchers achieve 2x the writing in half the time. It leverages 21+ years of STM experience and insights from millions of research articles to provide in-depth academic writing, language editing, and submission readiness support to help you write better, faster.  

Get accurate academic translations, rewriting support, grammar checks, vocabulary suggestions, and generative AI assistance that delivers human precision at machine speed. Try for free or upgrade to Paperpal Prime starting at US$19 a month to access premium features, including consistency, plagiarism, and 30+ submission readiness checks to help you succeed.  

Experience the future of academic writing – Sign up to Paperpal and start writing for free!  

Related Reads:

• 7 Ways to Improve Your Academic Writing Process
• How to Paraphrase Research Papers Effectively
• How Long Should a Chapter Be?
• How to Use Paperpal to Generate Emails & Cover Letters?

MLA Works Cited Page: Format, Template & Examples

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