Cite

Untitled [Armored horse and rider]

MLA

Steinberg, Saul, 1914-1999. Untitled [Armored horse and rider]. Box 75, folder 1412. undated. https://collections.library.yale.edu/catalog/16855693.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 75, folder 1412"])(undated)[Untitled [Armored horse and rider]]. https://collections.library.yale.edu/catalog/16855693.