Cite

Untitled [Woman with plumed hat sitting in a chair; Two figures standing]

MLA

Steinberg, Saul, 1914-1999. Untitled [Woman with plumed hat sitting in a chair; Two figures standing]. Box 75, folder 1350. undated. https://collections.library.yale.edu/catalog/16855631.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 75, folder 1350"])(undated)[Untitled [Woman with plumed hat sitting in a chair; Two figures standing]]. https://collections.library.yale.edu/catalog/16855631.