A Map of the Countries situate about the North Pole as far as the 50th Degree of North Latitude. W. Barker, sculp.
MLA
A Map of the Countries Situate about the North Pole as Far as the 50th Degree of North Latitude. W. Barker, Sculp. Mathew Carey, 1795. https://collections.library.yale.edu/catalog/15234672.
APA, 6th edition
A Map of the Countries situate about the North Pole as far as the 50th Degree of North Latitude. W. Barker, sculp. (1795). [Maps]. Mathew Carey, https://collections.library.yale.edu/catalog/15234672.