MLA

Jefferys, Thomas, -1771, cartographer. The coast of Yucatán from Campeche to Baha del Ascencion, with the west end of Cuba / by Thos. Jefferys, geographer to His Majesty.. BRBL_00519. 20th Feby. 1775.. https://collections.library.yale.edu/catalog/15812329.

APA, 6th edition

Jefferys, Thomas, -1771, cartographer. (["BRBL_00519"])(20th Feby. 1775.)[The coast of Yucatán from Campeche to Baha del Ascencion, with the west end of Cuba / by Thos. Jefferys, geographer to His Majesty.]. https://collections.library.yale.edu/catalog/15812329.