Appletons' map of the seat of war no. 1 / drawn by E. Wells.
MLA
Wells, E. Appletons' Map of the Seat of War No. 1 / Drawn by E. Wells. D. Appleton & Co., 1861. https://collections.library.yale.edu/catalog/15604011.
APA, 6th edition
Wells, E. (1861). Appletons' map of the seat of war no. 1 / drawn by E. Wells. [Maps]. D. Appleton & Co., https://collections.library.yale.edu/catalog/15604011.