Duchamp, Marcel
MLA
Dreier, Katherine S. (Katherine Sophie), 1877-1952. Duchamp, Marcel. Box 12, folder 317-326. 1917-52, n.d.. https://collections.library.yale.edu/catalog/2040465.
APA, 6th edition
Dreier, Katherine S. (Katherine Sophie), 1877-1952. (["Box 12, folder 317-326"])(1917-52, n.d.)[Duchamp, Marcel]. https://collections.library.yale.edu/catalog/2040465.