MLA

Daumier, Honoré, 1808-1879, printmaker. Le médecin hydropathe [graphic]. [1842]. https://collections.library.yale.edu/catalog/17339105.

APA, 6th edition

Daumier, Honoré, 1808-1879, printmaker. ([1842])[Le médecin hydropathe [graphic]]. https://collections.library.yale.edu/catalog/17339105.