Cite

"Cacti General"

MLA

Erdoes, Richard, 1912-2008. "Cacti General". Box 86. 1966-1989, undated. https://collections.library.yale.edu/catalog/2106066.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 86"])(1966-1989, undated)["Cacti General"]. https://collections.library.yale.edu/catalog/2106066.