The method of high-finishing family pictures [graphic].
MLA
The Method of High-Finishing Family Pictures [Graphic]. Printed for Carington Bowles, No. 69 in St. Pauls Church Yard, London, 0AD. https://collections.library.yale.edu/catalog/10715751.
APA, 6th edition
The method of high-finishing family pictures [graphic]. (0 C.E.). [Satires (Visual works) England 1771, Mezzotints England London 1771]. Printed for Carington Bowles, No. 69 in St. Pauls Church Yard, London. https://collections.library.yale.edu/catalog/10715751.