MLA

Fougeron, Ignace, active 18th century-19th century, printmaker. Bernardus Gigli Tridentin [graphic]. [ca. 1762]. https://collections.library.yale.edu/catalog/17339213.

APA, 6th edition

Fougeron, Ignace, active 18th century-19th century, printmaker. ([ca. 1762])[Bernardus Gigli Tridentin [graphic]]. https://collections.library.yale.edu/catalog/17339213.