Cite

"Arizona Cacti Saguaro"

MLA

Erdoes, Richard, 1912-2008. "Arizona Cacti Saguaro". Box 86. 1985, undated. https://collections.library.yale.edu/catalog/2106052.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 86"])(1985, undated)["Arizona Cacti Saguaro"]. https://collections.library.yale.edu/catalog/2106052.