How to Cite a Regulation in Chicago 18th edition (notes and bibliography)

A rule made by a government agency, such as the FDA.

Example in Chicago 18th edition (notes and bibliography)

Food Labeling: Revision of the Nutrition and Supplement Facts Labels, 81 Federal Register 33742 (2016).
Footnote Food Labeling: Revision of the Nutrition and Supplement Facts Labels, 81 Federal Register 33742 (2016).

What Chicago 18th edition (notes and bibliography) includes

These are the details of the example above that the style prints, so they are the ones to collect for your own source.

  • Regulation Title
  • Register/Code
  • Volume
  • Page
  • Date Published

Cite the Code of Federal Regulations (CFR) title and section. For recent rules, include the Federal Register citation with volume, page, and date.

The formatting comes from the style's own file, so check the finer points against your guide. What to check by hand in Chicago 18th edition (notes and bibliography).

A Regulation in other styles

APA 7th edition MLA 9th edition IEEE Vancouver

Other sources in Chicago 18th edition (notes and bibliography)

Website Book Journal Article Newspaper Article Book Chapter Thesis/Dissertation Report Video Podcast/Broadcast Magazine Article Software Dataset Patent Legal Case Legislation Bill Hearing Standard Treaty Conference Paper Manuscript Review Book Review Classic Work Reference Entry Dictionary Entry Encyclopedia Entry Periodical Collection Interview Speech Song Musical Score Graphic Figure Map Performance Event Pamphlet Preprint Document Post Blog Post Personal Communication Generative AI