MLA

Erdoes, Richard, 1912-2008. People with Rosebud Tipi, Joe Reynolds. Box 51 | Crow Dog Family. 1975-1983, undated. https://collections.library.yale.edu/catalog/2080783.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 51 | Crow Dog Family"])(1975-1983, undated)[People with Rosebud Tipi, Joe Reynolds]. https://collections.library.yale.edu/catalog/2080783.