MLA

Pyet, D. B. (David Blackmore), 1758-, printmaker. John Gilpin [graphic]. [1792]. https://collections.library.yale.edu/catalog/10732712.

APA, 6th edition

Pyet, D. B. (David Blackmore), 1758-, printmaker. ([1792])[John Gilpin [graphic]]. https://collections.library.yale.edu/catalog/10732712.