MLA

The Spartan Boy [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10727960.

APA, 6th edition

The Spartan boy [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1785, Stipple engravings England London 1785, Etchings England London 1785]. publisher not identified. https://collections.library.yale.edu/catalog/10727960.