Cite

A portrait [graphic] / engrav'd by T. As.

MLA

Gillray, James, 1756-1815, printmaker. A portrait [graphic] / engrav'd by T. As.. https://collections.library.yale.edu/catalog/11858974.

APA, 6th edition

Gillray, James, 1756-1815, printmaker. [A portrait [graphic] / engrav'd by T. As.]. https://collections.library.yale.edu/catalog/11858974.