MLA

Erdoes, Richard, 1912-2008. Petroglyph, Canyon de Chelly. Box 14. https://collections.library.yale.edu/catalog/2001325.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 14"])[Petroglyph, Canyon de Chelly]. https://collections.library.yale.edu/catalog/2001325.