The finishing touch [graphic].
MLA
Gillray, James, 1756-1815, printmaker. The finishing touch [graphic].. 1791 September 29. https://collections.library.yale.edu/catalog/11859361.
APA, 6th edition
Gillray, James, 1756-1815, printmaker. (1791 September 29)[The finishing touch [graphic].]. https://collections.library.yale.edu/catalog/11859361.