Cite

Untitled [Two creatures]

MLA

Steinberg, Saul, 1914-1999. Untitled [Two creatures]. Box 415, folder 5554. undated. https://collections.library.yale.edu/catalog/2016857.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 415, folder 5554"])(undated)[Untitled [Two creatures]]. https://collections.library.yale.edu/catalog/2016857.