MLA

Steinberg, Saul, 1914-1999. Untitled [Perspective with a woman]. Box 78, folder 1552. circa 1971. https://collections.library.yale.edu/catalog/32457163.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 78, folder 1552"])(circa 1971)[Untitled [Perspective with a woman]]. https://collections.library.yale.edu/catalog/32457163.