MLA

Watts, Simon, active 1767-1787, printmaker. Hebe [graphic]. June 12, 1771.. https://collections.library.yale.edu/catalog/16194649.

APA, 6th edition

Watts, Simon, active 1767-1787, printmaker. (June 12, 1771.)[Hebe [graphic]]. https://collections.library.yale.edu/catalog/16194649.