MLA

Plate 4th the Position of the Original Drawing by Hogarth in the Possession of the Honble. Horace Walpole. [Graphic]. Published Augt. 1, 1791, by W. Birch, Hampstead Heath, 0AD. https://collections.library.yale.edu/catalog/16194273.

APA, 6th edition

Plate 4th the position of the original drawing by Hogarth in the possession of the Honble. Horace Walpole. [graphic]. (0 C.E.). [Trials, litigation, etc, Annotations (Provenance) 18th century, Satires (Visual works) England 1791, Etchings England London 1791]. Published Augt. 1, 1791, by W. Birch, Hampstead Heath. https://collections.library.yale.edu/catalog/16194273.