Cite

The Duke of Queensberry and Dover presenting the Act of Union to Queen Ann [graphic]

MLA

Grignion, Charles, 1721-1810, printmaker. The Duke of Queensberry and Dover presenting the Act of Union to Queen Ann [graphic]. [1770]. https://collections.library.yale.edu/catalog/10713527.

APA, 6th edition

Grignion, Charles, 1721-1810, printmaker. ([1770])[The Duke of Queensberry and Dover presenting the Act of Union to Queen Ann [graphic]]. https://collections.library.yale.edu/catalog/10713527.