MLA

Ravenhill, Thomas. Cam [Graphic]. Published as the act directs by Richd. Bigland, 0AD. https://collections.library.yale.edu/catalog/16194636.

APA, 6th edition

Ravenhill, T. (0 C.E.). Cam [graphic] [Engravings England London 1787]. Published as the act directs by Richd. Bigland. https://collections.library.yale.edu/catalog/16194636.