MLA

Traviès de Villers, Charles Joseph, 1804-1859, printmaker. La bonne digestion [graphic]. [not after 1859]. https://collections.library.yale.edu/catalog/17339661.

APA, 6th edition

Traviès de Villers, Charles Joseph, 1804-1859, printmaker. ([not after 1859])[La bonne digestion [graphic]]. https://collections.library.yale.edu/catalog/17339661.