Cite

Untitled [Sphinx cat stepping off pedestal]

MLA

Steinberg, Saul, 1914-1999. Untitled [Sphinx cat stepping off pedestal]. Box 79, folder 1714. undated. https://collections.library.yale.edu/catalog/32475652.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 79, folder 1714"])(undated)[Untitled [Sphinx cat stepping off pedestal]]. https://collections.library.yale.edu/catalog/32475652.