Cite

"Self-portrait"

MLA

Stieglitz, Alfred, 1864-1946. "Self-portrait". Box 130, folder 2506. ca. 1915. https://collections.library.yale.edu/catalog/2002545.

APA, 6th edition

Stieglitz, Alfred, 1864-1946. (["Box 130, folder 2506"])(ca. 1915)["Self-portrait"]. https://collections.library.yale.edu/catalog/2002545.