Cite

The quack doctor [graphic]

MLA

Hess, Carl Ernst Christoph, 1755-1828, printmaker. The quack doctor [graphic]. [ca. 1790]. https://collections.library.yale.edu/catalog/17339300.

APA, 6th edition

Hess, Carl Ernst Christoph, 1755-1828, printmaker. ([ca. 1790])[The quack doctor [graphic]]. https://collections.library.yale.edu/catalog/17339300.