MLA

Erdoes, Richard, 1912-2008. Archie Sweat. Box 75 | Sioux Ceremonies 2, Cheyennes. 1988. https://collections.library.yale.edu/catalog/2098637.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 75 | Sioux Ceremonies 2, Cheyennes"])(1988)[Archie Sweat]. https://collections.library.yale.edu/catalog/2098637.