Cite

Have you had your pill today [graphic].

MLA

Have You Had Your Pill Today [Graphic]. © 1968 Gross National Product/Box 427 Wayzata MN 55391, 0AD. https://collections.library.yale.edu/catalog/16049148.

APA, 6th edition

Have you had your pill today [graphic]. (0 C.E.). [Photomechanical prints, Posters, Satires (Visual works)]. © 1968 Gross National Product/Box 427 Wayzata MN 55391. https://collections.library.yale.edu/catalog/16049148.