Duchamp, Marcel
MLA
Winston, Lydia, 1897-1989. Duchamp, Marcel. Box 69, folder 1052. undated. https://collections.library.yale.edu/catalog/17197704.
APA, 6th edition
Winston, Lydia, 1897-1989. (["Box 69, folder 1052"])(undated)[Duchamp, Marcel]. https://collections.library.yale.edu/catalog/17197704.