MLA

The Royal Family of Great Britain [Graphic]. Printed and sold by Carington Bowles, No. 69 in St. Pauls Church Yard, London, 0AD. https://collections.library.yale.edu/catalog/33118882.

APA, 6th edition

The Royal Family of Great Britain [graphic]. (0 C.E.). [Portrait prints, Group portraits, Engravings England London 1785]. Printed and sold by Carington Bowles, No. 69 in St. Pauls Church Yard, London. https://collections.library.yale.edu/catalog/33118882.