Cite

Eloquence founded on chemical principles [graphic]

MLA

Sayers, James, 1748-1823, printmaker. Eloquence founded on chemical principles [graphic]. [8 March 1787]. https://collections.library.yale.edu/catalog/10996712.

APA, 6th edition

Sayers, James, 1748-1823, printmaker. ([8 March 1787])[Eloquence founded on chemical principles [graphic]]. https://collections.library.yale.edu/catalog/10996712.