MLA

Jefferys, Thomas, d. 1771. The seat of war on the coast of France : being a new chart of the coasts of Holland, Flanders, France, Spain & Portugal, with the adjacent Islands, part of Barbary, England and Ireland / drawn from the latest surveys, and regulated by astronomical observa. BRBL_00172. 1758. https://collections.library.yale.edu/catalog/15483876.

APA, 6th edition

Jefferys, Thomas, d. 1771. (["BRBL_00172"])(1758)[The seat of war on the coast of France : being a new chart of the coasts of Holland, Flanders, France, Spain & Portugal, with the adjacent Islands, part of Barbary, England and Ireland / drawn from the latest surveys, and regulated by astronomical observa]. https://collections.library.yale.edu/catalog/15483876.