MLA

Barlow, Inigo, and printmaker. The Struggles of Virtue [Graphic]. Published as the act directs by Bentley & Co., 0AD. https://collections.library.yale.edu/catalog/10731292.

APA, 6th edition

Barlow, I., & printmaker. (0 C.E.). The struggles of virtue [graphic] [Satires (Visual works) England 1790, Periodical illustrations, Etchings England London 1790]. Published as the act directs by Bentley & Co. https://collections.library.yale.edu/catalog/10731292.