MLA

The United States of North America with the British & Spanish Territories ... Treay of 1784. Engraved and Published by William Faden, 1785. https://collections.library.yale.edu/catalog/15604302.

APA, 6th edition

The United States of North America with the British & Spanish Territories ... Treay of 1784. (1785). [Maps]. Engraved and Published by William Faden, https://collections.library.yale.edu/catalog/15604302.