Untitled [Two dogs playing violins]
MLA
Steinberg, Saul, 1914-1999. Untitled [Two dogs playing violins]. Box 462, folder 6417. undated. https://collections.library.yale.edu/catalog/16851511.
APA, 6th edition
Steinberg, Saul, 1914-1999. (["Box 462, folder 6417"])(undated)[Untitled [Two dogs playing violins]]. https://collections.library.yale.edu/catalog/16851511.