Cite

Stieglitz, Alfred

MLA

Dreier, Katherine S. (Katherine Sophie), 1877-1952. Stieglitz, Alfred. Box 33, folder 970-971. 1920-31, n.d.. https://collections.library.yale.edu/catalog/2014491.

APA, 6th edition

Dreier, Katherine S. (Katherine Sophie), 1877-1952. (["Box 33, folder 970-971"])(1920-31, n.d.)[Stieglitz, Alfred]. https://collections.library.yale.edu/catalog/2014491.