MLA

The Decayed Macaroni a Well Known Character!!! [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10728478.

APA, 6th edition

The decayed macaroni a well known character!!! [graphic]. (0 C.E.). [Satires (Visual works) England 1788, Stipple engravings England London 1788, Etchings England London 1788, Portrait prints, Periodical illustrations]. publisher not identified. https://collections.library.yale.edu/catalog/10728478.