MLA

Erdoes, Richard, 1912-2008. "Film Strip My Illustration". Box 57. 1981. https://collections.library.yale.edu/catalog/2085164.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 57"])(1981)["Film Strip My Illustration"]. https://collections.library.yale.edu/catalog/2085164.