MLA

The Enterprizing Chimney Sweeper [Graphic]. Publish'd April 26, 1772, by W. Humphrey at the Shell Warehouse, St. Martins Lane, 0AD. https://collections.library.yale.edu/catalog/10715894.

APA, 6th edition

The enterprizing chimney sweeper [graphic]. (0 C.E.). [Satires (Visual works) England 1772, Mezzotints England London 1772]. Publish'd April 26, 1772, by W. Humphrey at the Shell Warehouse, St. Martins Lane. https://collections.library.yale.edu/catalog/10715894.