Cite

Which you will for a halfpenny [graphic].

MLA

Which You Will for a Halfpenny [Graphic]. Publish'd 26th Sept. 1791 by Robt. Sayer & Co., Fleet Street, London, 0AD. https://collections.library.yale.edu/catalog/10732637.

APA, 6th edition

Which you will for a halfpenny [graphic]. (0 C.E.). [Satires (Visual works) England 1791, Mezzotints England London 1791]. Publish'd 26th Sept. 1791 by Robt. Sayer & Co., Fleet Street, London. https://collections.library.yale.edu/catalog/10732637.