"Sartre (Speciale)"
MLA
Sartre, Jean-Paul, 1905-1980. "Sartre (Speciale)". Box 2, folder 35. 1974 Nov 16. https://collections.library.yale.edu/catalog/16538189.
APA, 6th edition
Sartre, Jean-Paul, 1905-1980. (["Box 2, folder 35"])(1974 Nov 16)["Sartre (Speciale)"]. https://collections.library.yale.edu/catalog/16538189.