Untitled [Cowboy with two guns]
MLA
Steinberg, Saul, 1914-1999. Untitled [Cowboy with two guns]. Box 431, folder 5884. 1954. https://collections.library.yale.edu/catalog/2054457.
APA, 6th edition
Steinberg, Saul, 1914-1999. (["Box 431, folder 5884"])(1954)[Untitled [Cowboy with two guns]]. https://collections.library.yale.edu/catalog/2054457.