MLA

Barlow, Inigo, and printmaker. Peace!!! [Graphic]. Published as the act directs, by Bentley & Co., 0AD. https://collections.library.yale.edu/catalog/10732484.

APA, 6th edition

Barlow, I., & printmaker. (0 C.E.). Peace!!! [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/10732484.