MLA

Madison, James, 1751-1836, creator. A map of Virginia [cartographic material] : Formed from actual surveys, and the latest as well as most accurate observations / by James Madison, D.D., president of Wm. & Mary College. ; Drawn by: Wm. Davis. ; Engraved by: Fred. Bossler, Ricmd.. March 4, 1807.. https://collections.library.yale.edu/catalog/16708278.

APA, 6th edition

Madison, James, 1751-1836, creator. (March 4, 1807.)[A map of Virginia [cartographic material] : Formed from actual surveys, and the latest as well as most accurate observations / by James Madison, D.D., president of Wm. & Mary College. ; Drawn by: Wm. Davis. ; Engraved by: Fred. Bossler, Ricmd.]. https://collections.library.yale.edu/catalog/16708278.