Cite

The philosopher in meditation [graphic]

MLA

Spooner, Charles, 1720-1767, printmaker. The philosopher in meditation [graphic]. [1765?]. https://collections.library.yale.edu/catalog/10713250.

APA, 6th edition

Spooner, Charles, 1720-1767, printmaker. ([1765?])[The philosopher in meditation [graphic]]. https://collections.library.yale.edu/catalog/10713250.