MLA

An Hieroglyphic Letter to a Friend in London Mar[Gate] Nov. 12th, 1792. [Graphic]. Publish'd April 12th, 1793, by Whittle & Laurie, No. 53 Fleet Street, 0AD. https://collections.library.yale.edu/catalog/15813651.

APA, 6th edition

An hieroglyphic letter to a friend in London Mar[gate] Nov. 12th, 1792. [graphic]. (0 C.E.). [Satires (Visual works) England 1803, Rebuses, Etchings England London 1803, Watermarks (Paper) 1814]. Publish'd April 12th, 1793, by Whittle & Laurie, No. 53 Fleet Street. https://collections.library.yale.edu/catalog/15813651.