MLA

Sartre, Jean-Paul, 1905-1980. Interview 35. Box 2, folder 34. 1973 Nov 14. https://collections.library.yale.edu/catalog/16538188.

APA, 6th edition

Sartre, Jean-Paul, 1905-1980. (["Box 2, folder 34"])(1973 Nov 14)[Interview 35]. https://collections.library.yale.edu/catalog/16538188.