Cite

Homer casting pearls before swine [graphic].

MLA

Homer Casting Pearls before Swine [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/16192368.

APA, 6th edition

Homer casting pearls before swine [graphic]. (0 C.E.). [Satires (Visual works) England 1797, Book illustrations, Etchings England London 1797]. publisher not identified. https://collections.library.yale.edu/catalog/16192368.