MLA

Cary, John, approximately 1754-1835. A new map of Spain and Portugal : divided into their respective kingdoms and provinces from the latest authorities / by John Cary, engraver.. BRBL_00186. https://collections.library.yale.edu/catalog/15487245.

APA, 6th edition

Cary, John, approximately 1754-1835. (["BRBL_00186"])[A new map of Spain and Portugal : divided into their respective kingdoms and provinces from the latest authorities / by John Cary, engraver.]. https://collections.library.yale.edu/catalog/15487245.