MLA

Steinberg, Saul, 1914-1999. Untitled [Movie theater]. Box 435, folder 5958. circa 1980. https://collections.library.yale.edu/catalog/16849863.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 435, folder 5958"])(circa 1980)[Untitled [Movie theater]]. https://collections.library.yale.edu/catalog/16849863.