MLA

Régnier, Claude, active 19th century, printmaker. Le convalescent [graphic]. [19th century]. https://collections.library.yale.edu/catalog/17339534.

APA, 6th edition

Régnier, Claude, active 19th century, printmaker. ([19th century])[Le convalescent [graphic]]. https://collections.library.yale.edu/catalog/17339534.