Chicago
Memoranda https://www.govinfo.gov/app/details/USREPORTS-78/USREPORTS-78-FrontMatter-5.
APA
Memoranda https://www.govinfo.gov/app/details/USREPORTS-78/USREPORTS-78-FrontMatter-5.
MLA
Memoranda. https://www.govinfo.gov/app/details/USREPORTS-78/USREPORTS-78-FrontMatter-5.
Bluebook
Memoranda.