Untitled [Shoe face]
MLA
Steinberg, Saul, 1914-1999. Untitled [Shoe face]. Box 459, folder 6363. circa 1993. https://collections.library.yale.edu/catalog/16851488.
APA, 6th edition
Steinberg, Saul, 1914-1999. (["Box 459, folder 6363"])(circa 1993)[Untitled [Shoe face]]. https://collections.library.yale.edu/catalog/16851488.