MLA

Why a Gardener Is the Most Extraordinary Man in the World [Graphic]. Pubd. Decemr. 1st, 1773, by MDarly, (39) Strand, according to act, 0AD. https://collections.library.yale.edu/catalog/16737580.

APA, 6th edition

Why a gardener is the most extraordinary man in the world [graphic]. (0 C.E.). [Satires (Visual works) England 1773, Etchings England London 1773]. Pubd. Decemr. 1st, 1773, by MDarly, (39) Strand, according to act. https://collections.library.yale.edu/catalog/16737580.