Chicago
Marshall v. Knott https://www.govinfo.gov/app/details/USREPORTS-131/USREPORTS-131-BackMatter-112.
APA
Marshall v. Knott https://www.govinfo.gov/app/details/USREPORTS-131/USREPORTS-131-BackMatter-112.
MLA
Marshall v. Knott. https://www.govinfo.gov/app/details/USREPORTS-131/USREPORTS-131-BackMatter-112.
Bluebook
Marshall v. Knott.