MLA

Merke, Henri, and printmaker. Admiral [Graphic]. Pubd. Feby. 15, 1799, by R. Ackermann, 101 Strand, 0AD. https://collections.library.yale.edu/catalog/11791757.

APA, 6th edition

Merke, H., & printmaker. (0 C.E.). Admiral [graphic] [Satires (Visual works) England 1799, Aquatints England London 1799, Etchings England London 1799]. Pubd. Feby. 15, 1799, by R. Ackermann, 101 Strand. https://collections.library.yale.edu/catalog/11791757.