MLA

Berthoud, H. (Henry), active 19th century, printmaker. Hôtel-dieu [graphic]. [not after 1864]. https://collections.library.yale.edu/catalog/17338936.

APA, 6th edition

Berthoud, H. (Henry), active 19th century, printmaker. ([not after 1864])[Hôtel-dieu [graphic]]. https://collections.library.yale.edu/catalog/17338936.