MLA

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

APA, 6th edition

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