Cite

"Mass Flight, Medium"

MLA

Erdoes, Richard, 1912-2008. "Mass Flight, Medium". Box 80. undated. https://collections.library.yale.edu/catalog/2102012.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 80"])(undated)["Mass Flight, Medium"]. https://collections.library.yale.edu/catalog/2102012.