Chicago 18 (Author-Date) Legal Case Citation Generator

Citing a legal case (judicial court decision) under the Chicago Manual of Style (Author-Date System) framework requires combining Chicago Manual of Style (author-date)'s punctuation hierarchy with the specific metadata of the source. To construct a compliant entry, researchers must collect the case name (Plaintiff v. Defendant), reporter volume number, reporter abbreviation (e.g., U.S., F.3d), first page number, court name, and decision year. In the body of your paper, Chicago Manual of Style (author-date) utilizes parenthetical author-year citations with no comma between the author and year, e.g., (Author Year, page), which links directly to an entry organized in alphabetical by author family name and chronological by publication year.

When formatting a legal case in Chicago Manual of Style (author-date), pay close attention to contributor names and capitalization. Specifically, Chicago Manual of Style (author-date) enforces inverting only the first author name (Last, First) while writing subsequent co-authors in normal order (First Last) connected by the word "and", and applies headline-style Title Case for all titles, placing analytical works in quotation marks and standalone containers in italics. Chicago Author-Date places the year immediately after the author without parentheses in the reference list, and spells out first names rather than reducing them to initials. Furthermore, if your legal case does not display an individual creator, the rule is straightforward: court cases never list the presiding judge as the author in the bibliography; the citation always begins with the party names (Case Title).

For digital and online legal case references, Chicago Manual of Style (author-date) stipulates placing the DOI (https://doi.org/...) or stable URL at the very end of the entry, requiring an access date only when no publication date exists. For Supreme Court decisions, omit the court name inside the parenthetical year if the reporter abbreviation (e.g., U.S.) already identifies the court. Using the client-side Chicago Manual of Style (author-date) Legal Case generator below, you can automatically parse URLs, DOIs, or ISBNs and apply these exact Citation Style Language (CSL) rules locally in your browser with zero server tracking.