MLA

Gillray, James, 1756-1815, printmaker. Smelling out a rat, or, The atheistical-revolutionist disturbed in his midnight "calculations" vide a troubled conscience. [graphic]. [3 December 1790]. https://collections.library.yale.edu/catalog/11811286.

APA, 6th edition

Gillray, James, 1756-1815, printmaker. ([3 December 1790])[Smelling out a rat, or, The atheistical-revolutionist disturbed in his midnight "calculations" vide a troubled conscience. [graphic]]. https://collections.library.yale.edu/catalog/11811286.