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A. One Author or EditorB. Two or Three Authors or EditorsC. Three or more Authors or EditorsD. Chapter or Article in a Multi-Author BookE. Chapter or Article in a Multi-Volume WorkF. Organization as AuthorG. No AuthorH. E-BookI. Reference BookJ. Edition Other than the First
A. Basic Journal ArticleB. Journal Article from an Online PeriodicalC. Journal Article from DatabaseD. Magazine ArticleE. Newspaper Article
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Chicago Manual of Style   Tags: avoid_plagiarism, chicago_style, citation, citing, endnote, in-text, sources, works_cited  

This guide will help you with formatting your citations according to the Chicago Manual of Style guidelines.
Last Updated: Jun 9, 2017 URL: Print Guide RSS Updates

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About Citing Other Sources

You are going to have questions about citing sources other than those presented here.  Refer to the manual or look through a list of Questions and Answers.



Citation Basics for Other Sources

Social media and technology offers other sources of infromation for you to use in your research. Twitter, and other online media are used in some cases for legitimate research; however, are challenging to cite corrently.

Include this information:

  • Author and/or editor names (if available)
  • Article name in quotation marks (if applicable)
  • Title of the Website, project, or book in italics.
  • Any version numbers available, including revisions, posting dates, volumes, or issue numbers.
  • Publisher information, including the publisher name and publishing date.
  • Date you accessed the material


The Chicago Manual of Style Online suggests citing a tweet in a footnote as follows, including the author’s real name, date, time, and twitter url.

1. Thomas Kaplan, Twitter post, February 2012, 6:01 p.m.,

Following this format you could cite the tweet in a bibliography as:

Kaplan, Thomas. Twitter post. February 29, 2012, 6:01 p.m. ‏

Or you could follow the guidelines for citing a webpage and cite a tweet as follows:

Kaplan, Thomas. “Twitter / @thomaskaplan: The interest in Kolb’s plan…” February 29, 2012, 6:01 p.m. ‏!/thomaskaplan/status/174992843922874368


27. Jack Layton, My Commitment to You: Leadership You Can Trust To Give Your Family, New Democratic Party of Canada, accessed April 17, 2011,

Following this format you could cite the tweet in a bibliography as:

Layton, Jack. My Commitment to You: Leadership You Can Trust To Give Your Family a Break. Democratic Party of Canada. Accessed April 17, 2011.


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