MLA

The Flowers of Edinburgh [Graphic]. Pubd. Augt. 1st 1781 by J. Langham, St Brides Passage Fleet Street, 0AD. https://collections.library.yale.edu/catalog/10723503.

APA, 6th edition

The flowers of Edinburgh [graphic]. (0 C.E.). [Satires (Visual works) England 1781, Engravings England London 1781, Etchings England London 1781]. Pubd. Augt. 1st 1781 by J. Langham, St Brides Passage Fleet Street. https://collections.library.yale.edu/catalog/10723503.