Cite

A new map of the circle of Westphalia : from the latest authorities, / by John Cary, engraver.

MLA

A New Map of the Circle of Westphalia : from the Latest Authorities, / by John Cary, Engraver. s. n., 1799. https://collections.library.yale.edu/catalog/15483114.

APA, 6th edition

A new map of the circle of Westphalia : from the latest authorities, / by John Cary, engraver. (1799). [Maps]. s. n., https://collections.library.yale.edu/catalog/15483114.