How to Cite a Dictionary Entry in Bluebook (21st edition)

Learn how to cite a dictionary definition or entry in Bluebook format (21st edition). This guide includes the reference list format, in-text citation examples, and key formatting rules.

Bluebook Bibliography Format

Here is the standard Bluebook format for citing a dictionary entry in your bibliography:

Bluebook Example for a Dictionary Entry

Bluebook does not give a dictionary entry an entry in the bibliography — it is cited in a note only. Here is that note, formatted by the official Bluebook CSL style definition:

Step-by-Step Guide

1. Gather source information: Collect the author name, title, publication date, and URL or DOI for your dictionary entry.
2. Format the reference: Arrange the elements following the Bluebook (21st 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 Bluebook requirements.

Cite a Dictionary Entry in Other Styles

Cite Other Sources in Bluebook

More Resources

• Free Citation Generator (10,834 styles)
• Free Writing Tools
• Compare Citation Styles
• All Citation Guides
• Cheat Sheets (APA, MLA, Chicago)
• Citation Glossary (et al., ibid., DOI, hanging indent)