Cite

Map of the north polar region / Wm. Bauman del.

MLA

Bauman, William, and Graphic Company. Map of the North Polar Region / Wm. Bauman Del. Graphic Co., 0AD. https://collections.library.yale.edu/catalog/15159340.

APA, 6th edition

Bauman, W., & Company, G. (0 C.E.). Map of the north polar region / Wm. Bauman del. [Maps]. Graphic Co., https://collections.library.yale.edu/catalog/15159340.