Smoking [includes negatives]
MLA
Saarinen, Eero, 1910-1961. Smoking [includes negatives]. Box 7, folder 66 - 67. Circa 1950, undated. https://collections.library.yale.edu/catalog/10009283.
APA, 6th edition
Saarinen, Eero, 1910-1961. (["Box 7, folder 66 - 67"])(Circa 1950, undated)[Smoking [includes negatives]]. https://collections.library.yale.edu/catalog/10009283.