Interview 31
MLA
Sartre, Jean-Paul, 1905-1980. Interview 31. Box 2, folder 30. 1972 Nov 10. https://collections.library.yale.edu/catalog/16538184.
APA, 6th edition
Sartre, Jean-Paul, 1905-1980. (["Box 2, folder 30"])(1972 Nov 10)[Interview 31]. https://collections.library.yale.edu/catalog/16538184.