Cite

"Guns"

MLA

Erdoes, Richard, 1912-2008. "Guns". Box 60. 1989, undated. https://collections.library.yale.edu/catalog/2087331.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 60"])(1989, undated)["Guns"]. https://collections.library.yale.edu/catalog/2087331.