MLA

Daumier, Honoré, 1808-1879, printmaker. La pipe matinale. [graphic]. [1841]. https://collections.library.yale.edu/catalog/17339141.

APA, 6th edition

Daumier, Honoré, 1808-1879, printmaker. ([1841])[La pipe matinale. [graphic]]. https://collections.library.yale.edu/catalog/17339141.