MLA

He Marries a Rich Old Widow [Graphic]. Publish'd wth. [the] consent of Mrs. Hogarth, by Henry Parker, at No. 82 in Cornhill, 0AD. https://collections.library.yale.edu/catalog/16873210.

APA, 6th edition

He marries a rich old widow [graphic]. (0 C.E.). [Satires (Visual works) England 1768, Etchings England London 1768]. Publish'd wth. [the] consent of Mrs. Hogarth, by Henry Parker, at No. 82 in Cornhill. https://collections.library.yale.edu/catalog/16873210.