An accurate map of the British colonies in North America bordering on the river Ohio.
MLA
Overton, Henry, 1675 or 6-1751. An accurate map of the British colonies in North America bordering on the river Ohio.. BRBL_00428. [1755?]. https://collections.library.yale.edu/catalog/15604113.
APA, 6th edition
Overton, Henry, 1675 or 6-1751. (["BRBL_00428"])([1755?])[An accurate map of the British colonies in North America bordering on the river Ohio.]. https://collections.library.yale.edu/catalog/15604113.