Cite

Food--don't waste it [graphic]

MLA

Cooper, Fred G. (Frederic Gross), 1883-1962, artist. Food--don't waste it [graphic]. [1917]. https://collections.library.yale.edu/catalog/16048978.

APA, 6th edition

Cooper, Fred G. (Frederic Gross), 1883-1962, artist. ([1917])[Food--don't waste it [graphic]]. https://collections.library.yale.edu/catalog/16048978.