MLA

Jefferys, Thomas, -1771. The island of Cuba with part of the Bahama banks & the Martyrs / by Thos. Jefferys.. BRBL_00519. 20 Feby., 1775.. https://collections.library.yale.edu/catalog/15812330.

APA, 6th edition

Jefferys, Thomas, -1771. (["BRBL_00519"])(20 Feby., 1775.)[The island of Cuba with part of the Bahama banks & the Martyrs / by Thos. Jefferys.]. https://collections.library.yale.edu/catalog/15812330.