MLA

Why a Gardener Is the Most Extraordinary Man in the World [Graphic]. Printed for Robert Sayer, No. 53 Fleet Street, 0AD. https://collections.library.yale.edu/catalog/10716244.

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, Watermarks (Paper) Russell & Co.]. Printed for Robert Sayer, No. 53 Fleet Street. https://collections.library.yale.edu/catalog/10716244.