MLA

Jacobé, Johann, 1733-1797, printmaker. Lord George Germaine one of His Majesty's principal secretarie of state, &c., &c., &c. / [graphic]. [1 November 1780]. https://collections.library.yale.edu/catalog/10980807.

APA, 6th edition

Jacobé, Johann, 1733-1797, printmaker. ([1 November 1780])[Lord George Germaine one of His Majesty's principal secretarie of state, &c., &c., &c. / [graphic]]. https://collections.library.yale.edu/catalog/10980807.