MLA

Piety in Pattens, or, Timbertoe on Tiptoe [Graphic]. Pub accord. to act, March 12, 1773, by MDarly, 39 Strand, 0AD. https://collections.library.yale.edu/catalog/10716128.

APA, 6th edition

Piety in pattens, or, Timbertoe on tiptoe [graphic]. (0 C.E.). [Satires (Visual works) England 1773, Etchings England London 1773, Watermarks (Paper)]. Pub accord. to act, March 12, 1773, by MDarly, 39 Strand. https://collections.library.yale.edu/catalog/10716128.