MLA

Gay's Fables [Graphic]. Published by Robt. Sayer, map, chart & printseller, No. 53 Fleet Street, 0AD. https://collections.library.yale.edu/catalog/17324492.

APA, 6th edition

Gay's Fables [graphic]. (0 C.E.). [Pictorial works, Early works to 1800, Etchings England London 1787, Engravings England London 1787, Pictorial lettersheets, Juvenilia, Stationery, Decorated papers, Writing paper, Watermarks (Paper), Annotations (Provenance) 18th century]. Published by Robt. Sayer, map, chart & printseller, No. 53 Fleet Street. https://collections.library.yale.edu/catalog/17324492.