MLA

Howell, Reading, 1743-1827. A map of the state of Pennsylvania / [cartographic material] / by Reading Howell, MDCCCXVI ; published by Emmor Kimber.. BRBL_00498. 1816. https://collections.library.yale.edu/catalog/15790126.

APA, 6th edition

Howell, Reading, 1743-1827. (["BRBL_00498"])(1816)[A map of the state of Pennsylvania / [cartographic material] / by Reading Howell, MDCCCXVI ; published by Emmor Kimber.]. https://collections.library.yale.edu/catalog/15790126.