MLA

Bowen, Emanuel, d. 1767. A new and accurate map of Nubia & Abissinia, together with all the kingdoms tributary thereto, and bordering upon them / laid down from the latest & best authorities and regulated by astronl. observations ny Emanl. Bowen.. BRBL_00333. https://collections.library.yale.edu/catalog/15532732.

APA, 6th edition

Bowen, Emanuel, d. 1767. (["BRBL_00333"])[A new and accurate map of Nubia & Abissinia, together with all the kingdoms tributary thereto, and bordering upon them / laid down from the latest & best authorities and regulated by astronl. observations ny Emanl. Bowen.]. https://collections.library.yale.edu/catalog/15532732.