Cite

Don't let up keep on saving food / [graphic]

MLA

Mora, F. Luis (Francis Luis), 1874-1940. Don't let up keep on saving food / [graphic]. [between 1914 and 1918]. https://collections.library.yale.edu/catalog/16048932.

APA, 6th edition

Mora, F. Luis (Francis Luis), 1874-1940. ([between 1914 and 1918])[Don't let up keep on saving food / [graphic]]. https://collections.library.yale.edu/catalog/16048932.