MLA

Erdoes, Richard, 1912-2008. Horse Surgery Long-Medium. Box 61 | Navajo Weavers, College, Window Rock, Saw Mill, Strip Mining. 1977. https://collections.library.yale.edu/catalog/2088298.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 61 | Navajo Weavers, College, Window Rock, Saw Mill, Strip Mining"])(1977)[Horse Surgery Long-Medium]. https://collections.library.yale.edu/catalog/2088298.