Cite

Slack. Broughton. J. Figg [graphic]

MLA

Slack. Broughton. J. Figg [Graphic]. publisher not identified, 1750. https://collections.library.yale.edu/catalog/16034709.

APA, 6th edition

Slack. Broughton. J. Figg [graphic]. (1750). [Etchings England London 1750]. publisher not identified. https://collections.library.yale.edu/catalog/16034709.