MLA

Hardcastle, E. L. F. (Edmund Lafayette), 1824-1899. Battles of Mexico : line of operations of the U.S. Army under the command of Major General Winfield Scott on the 8th, 12th and 13th of September, 1847 / surveyed by Maj. Turnbull, Capt. McClellan, and Lieut. Hardcastle, Corps of Top. Engineers ; drawn by. BRBL_00649. [1847?]. https://collections.library.yale.edu/catalog/15822350.

APA, 6th edition

Hardcastle, E. L. F. (Edmund Lafayette), 1824-1899. (["BRBL_00649"])([1847?])[Battles of Mexico : line of operations of the U.S. Army under the command of Major General Winfield Scott on the 8th, 12th and 13th of September, 1847 / surveyed by Maj. Turnbull, Capt. McClellan, and Lieut. Hardcastle, Corps of Top. Engineers ; drawn by]. https://collections.library.yale.edu/catalog/15822350.