MLA

Erdoes, Richard, 1912-2008. Chalo Canyon Pueblo Bonito Long. Box 72 | Anasazi Ruins, New Mexico. 1977, undated. https://collections.library.yale.edu/catalog/2096452.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 72 | Anasazi Ruins, New Mexico"])(1977, undated)[Chalo Canyon Pueblo Bonito Long]. https://collections.library.yale.edu/catalog/2096452.