MLA

Snuff and Twopenny [Graphic]. Printed for & sold by Bowles & Carver, No. 69 St. Paul's Church Yard, London, 0AD. https://collections.library.yale.edu/catalog/16192360.

APA, 6th edition

Snuff and twopenny [graphic]. (0 C.E.). [Caricatures, Satires (Visual works) England, Mezzotints England London]. Printed for & sold by Bowles & Carver, No. 69 St. Paul's Church Yard, London. https://collections.library.yale.edu/catalog/16192360.