Chicago
Amendments to Rules of Civil Procedure https://www.govinfo.gov/app/details/USREPORTS-401/USREPORTS-401-BackMatter-6.
APA
Amendments to Rules of Civil Procedure https://www.govinfo.gov/app/details/USREPORTS-401/USREPORTS-401-BackMatter-6.
MLA
Amendments to Rules of Civil Procedure. https://www.govinfo.gov/app/details/USREPORTS-401/USREPORTS-401-BackMatter-6.
Bluebook
Amendments to Rules of Civil Procedure.