MLA

Steinberg, Saul, 1914-1999. Untitled [Political cartoon with Cuba, Albania, and Arabia as animals surrounding Uncle Sam]. Box 80, folder 1758. undated. https://collections.library.yale.edu/catalog/16856325.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 80, folder 1758"])(undated)[Untitled [Political cartoon with Cuba, Albania, and Arabia as animals surrounding Uncle Sam]]. https://collections.library.yale.edu/catalog/16856325.