MLA

Erdoes, Richard, 1912-2008. "Quillwork". Box 59. 1975-1989, undated. https://collections.library.yale.edu/catalog/2087061.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 59"])(1975-1989, undated)["Quillwork"]. https://collections.library.yale.edu/catalog/2087061.