MLA

The Old Woman & Her Ass a Fable. [Graphic]. To be had at the Acorn, facing Hungerford, in the Strand, 0AD. https://collections.library.yale.edu/catalog/10714583.

APA, 6th edition

The old woman & her ass a fable. [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1756, Etchings England London 1756, Book illustrations]. To be had at the Acorn, facing Hungerford, in the Strand. https://collections.library.yale.edu/catalog/10714583.