MLA

Gerassi, John, Sartre, Jean-Paul, 1905-1980. Interview 22. Box 1 | Folder 21. 1972 Feb 4. https://collections.library.yale.edu/catalog/16538175.

APA, 6th edition

Gerassi, John, & Sartre, Jean-Paul, 1905-1980. (["Box 1 | Folder 21"])(1972 Feb 4)[Interview 22]. https://collections.library.yale.edu/catalog/16538175.