MLA

Mr. Dowton in the Character of Dr. Cantwell in the Hypocrite [Graphic]. Published by Thos. McLean, 26 Haymarket, 1826. https://collections.library.yale.edu/catalog/11128665.

APA, 6th edition

Mr. Dowton in the character of Dr. Cantwell in the Hypocrite [graphic]. (1826). [Etchings England London 1826, Aquatints England London 1826]. Published by Thos. McLean, 26 Haymarket. https://collections.library.yale.edu/catalog/11128665.