MLA

Daumier, Honoré, 1808-1879, printmaker. Le malade imaginaire [graphic]. [not after 1879]. https://collections.library.yale.edu/catalog/17339814.

APA, 6th edition

Daumier, Honoré, 1808-1879, printmaker. ([not after 1879])[Le malade imaginaire [graphic]]. https://collections.library.yale.edu/catalog/17339814.