MLA

The Illiterate Macaroni of 21 Learning His A.B.C [Graphic]. Pub. accordg. to act by MDarly, Strand, 0AD. https://collections.library.yale.edu/catalog/10715951.

APA, 6th edition

The illiterate macaroni of 21 learning his A.B.C [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1772, Etchings England London 1772]. Pub. accordg. to act by MDarly, Strand. https://collections.library.yale.edu/catalog/10715951.