MLA

Jefferys, Thomas, d. 1771. The coast of West Florida and Louisiana [cartographic material] : the Peninsula and Gulf of Florida or Channel of Bahama with the Bahama Islands / by Thos. Jefferys .... BRBL_00519. 20 Feby. 1775.. https://collections.library.yale.edu/catalog/15811400.

APA, 6th edition

Jefferys, Thomas, d. 1771. (["BRBL_00519"])(20 Feby. 1775.)[The coast of West Florida and Louisiana [cartographic material] : the Peninsula and Gulf of Florida or Channel of Bahama with the Bahama Islands / by Thos. Jefferys ...]. https://collections.library.yale.edu/catalog/15811400.