MLA

Erdoes, Richard, 1912-2008. Pine Ridge Sun Dance Long Medium 1972 Piercing. Box 67 | Sundances Sioux. 1972-1991, undated. https://collections.library.yale.edu/catalog/2092647.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 67 | Sundances Sioux"])(1972-1991, undated)[Pine Ridge Sun Dance Long Medium 1972 Piercing]. https://collections.library.yale.edu/catalog/2092647.