Cite

[Lady Cecilia Johnston] [graphic].

MLA

Gillray, James, 1756-1815, printmaker. [Lady Cecilia Johnston] [graphic].. [18 May 1780]. https://collections.library.yale.edu/catalog/10723403.

APA, 6th edition

Gillray, James, 1756-1815, printmaker. ([18 May 1780])[[Lady Cecilia Johnston] [graphic].]. https://collections.library.yale.edu/catalog/10723403.