Chicago
Cases argued and adjudged in the Supreme Court of the United States, December term, 1871, https://www.govinfo.gov/app/details/USREPORTS-81.
APA
Cases argued and adjudged in the Supreme Court of the United States, December term, 1871 https://www.govinfo.gov/app/details/USREPORTS-81.
MLA
Cases argued and adjudged in the Supreme Court of the United States, December term, 1871. https://www.govinfo.gov/app/details/USREPORTS-81.
Bluebook
Cases argued and adjudged in the Supreme Court of the United States, December term, 1871.