Cite

Untitled [Folded sheet with four drawings, various subjects]

MLA

Steinberg, Saul, 1914-1999. Untitled [Folded sheet with four drawings, various subjects]. Box 432, folder 5911. undated. https://collections.library.yale.edu/catalog/33073463.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 432, folder 5911"])(undated)[Untitled [Folded sheet with four drawings, various subjects]]. https://collections.library.yale.edu/catalog/33073463.