MLA

Steinberg, Saul, 1914-1999. Untitled [Streetscape]. Box 78, folder 1586. undated. https://collections.library.yale.edu/catalog/32457463.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 78, folder 1586"])(undated)[Untitled [Streetscape]]. https://collections.library.yale.edu/catalog/32457463.