MLA

Bennett, R. (Richard), creator. A new & accurate map of Germany including the seat of war in the Kingdom of Prussia, Bohemia, Lusatia, Silesia, Saxony, Westphalia &c. : also an exact table of the distances in German & English miles from town to town / by R. Bennett, engraver.. [1765?]. https://collections.library.yale.edu/catalog/17364024.

APA, 6th edition

Bennett, R. (Richard), creator. ([1765?])[A new & accurate map of Germany including the seat of war in the Kingdom of Prussia, Bohemia, Lusatia, Silesia, Saxony, Westphalia &c. : also an exact table of the distances in German & English miles from town to town / by R. Bennett, engraver.]. https://collections.library.yale.edu/catalog/17364024.