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How to Cite Wikipedia in Chicago (17th edition)

Learn how to cite Wikipedia articles and wiki entries in Chicago format (17th edition). This guide includes the reference list format, in-text citation examples, and key formatting rules.

Chicago Bibliography Format

Here is the standard Chicago format for citing Wikipedia in your bibliography:

Wikipedia, s.v. "Title of Article," last modified Month Day, Year, https://en.wikipedia.org/w/index.php?title=Title_of_Article&oldid=123456789.

Chicago In-Text Citation

Use one of these formats when referencing this source within your paper:

Parenthetical

(Wikipedia 2024)

Narrative

The Wikipedia article (2024) states...

Key Chicago Formatting Rules

  • Chicago advises against citing Wikipedia in formal work — verify with a more authoritative source where possible.
  • Cite it in a note only; it is usually left out of the bibliography.
  • Use the s.v. ("sub verbo") form: Wikipedia, s.v. "Article Title."
  • Give the last-modified date and the permalink URL.

Step-by-Step Guide

  1. Gather source information: Collect the author name, title, publication date, and URL or DOI for your Wikipedia.
  2. Format the reference: Arrange the elements following the Chicago (17th edition) template shown above.
  3. Create the in-text citation: Add a parenthetical or narrative citation in your paper where you reference this source.
  4. Add to your bibliography: Include the full formatted citation at the end of your paper.
  5. Double-check formatting: Verify italics, punctuation, capitalization, and hanging indents match Chicago requirements.

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Cite Wikipedia in Other Styles

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