MLA

A Fleet of Transports under Convoy [Graphic]. Printed for & sold by Carington Bowles, at his Map & Print Warehouse, no. 69 St. Pauls Church Yard, London, 0AD. https://collections.library.yale.edu/catalog/10723390.

APA, 6th edition

A fleet of transports under convoy [graphic]. (0 C.E.). [Satires (Visual works) England 1781, Mezzotints England London 1781]. Printed for & sold by Carington Bowles, at his Map & Print Warehouse, no. 69 St. Pauls Church Yard, London. https://collections.library.yale.edu/catalog/10723390.