MLA

Grignion, Charles, 1721-1810 printmaker. Canvassing for votes. [graphic] / Plate II. published 20th Febry. 1757, as the act directs.. https://collections.library.yale.edu/catalog/15947895.

APA, 6th edition

Grignion, Charles, 1721-1810 printmaker. (published 20th Febry. 1757, as the act directs.)[Canvassing for votes. [graphic] / Plate II]. https://collections.library.yale.edu/catalog/15947895.