Cite

Untitled: [Two horses and Jockeys]

MLA

Steinberg, Saul, 1914-1999. Untitled: [Two horses and Jockeys]. Box 539 (Oversize), folder 7285. undated. https://collections.library.yale.edu/catalog/33092039.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 539 (Oversize), folder 7285"])(undated)[Untitled: [Two horses and Jockeys]]. https://collections.library.yale.edu/catalog/33092039.