MLA

Erdoes, Richard, 1912-2008. Crow Dog Sun Dance 1971 Piercing. Box 67 | Sundances Sioux. 1975, undated. https://collections.library.yale.edu/catalog/2092696.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 67 | Sundances Sioux"])(1975, undated)[Crow Dog Sun Dance 1971 Piercing]. https://collections.library.yale.edu/catalog/2092696.