MLA

J. B., engraver. Unkle Toby and Corporal Trim Raising Fortifications for the Good of the Nation / [Graphic]. Publish'd as the act directs, March 8th 1786, by H. Humphrey, No. 51 New Bond Street, 0AD. https://collections.library.yale.edu/catalog/10728080.

APA, 6th edition

J. B., engraver. (0 C.E.). Unkle Toby and Corporal Trim raising fortifications for the good of the nation / [graphic] [Caricatures and cartoons, Satires (Visual works) England 1786, Etchings England London 1786, Stipple engravings England London 1786]. Publish'd as the act directs, March 8th 1786, by H. Humphrey, No. 51 New Bond Street. https://collections.library.yale.edu/catalog/10728080.