Socializing [includes negatives]
MLA
Saarinen, Eero, 1910-1961. Socializing [includes negatives]. Box 7, folder 68 - 69. undated. https://collections.library.yale.edu/catalog/10016293.
APA, 6th edition
Saarinen, Eero, 1910-1961. (["Box 7, folder 68 - 69"])(undated)[Socializing [includes negatives]]. https://collections.library.yale.edu/catalog/10016293.