Chicago
Memorandum
https://www.govinfo.gov/app/details/USREPORTS-100/USREPORTS-100-FrontMatter-2.
APA
Memorandum
https://www.govinfo.gov/app/details/USREPORTS-100/USREPORTS-100-FrontMatter-2.
MLA
Memorandum.
https://www.govinfo.gov/app/details/USREPORTS-100/USREPORTS-100-FrontMatter-2.
Bluebook
Memorandum.