MLA

J.J., 19th century, printmaker. The poor doctor & the rich patient [graphic]. [19th century]. https://collections.library.yale.edu/catalog/17339325.

APA, 6th edition

J.J., 19th century, printmaker. ([19th century])[The poor doctor & the rich patient [graphic]]. https://collections.library.yale.edu/catalog/17339325.