MLA

A Sharp between Two Flats a Pearly Shell for Him and Thee, the Oyster Is the Lawyer's Fee. [Graphic]. Printed for & sold by Carrington Bowles, No. 69 St. Paul's Church Yard, London, 0AD. https://collections.library.yale.edu/catalog/16192707.

APA, 6th edition

A sharp between two flats a pearly shell for him and thee, the oyster is the lawyer's fee. [graphic]. (0 C.E.). [Satires (Visual works) England 1791, Mezzotints England London 1791]. Printed for & sold by Carrington Bowles, No. 69 St. Paul's Church Yard, London. https://collections.library.yale.edu/catalog/16192707.