Map of Genl. Worth's operations on the 20th of Augt. 1847 / surveyed by Capt. Mason of Engrs. & Lieut. Hardcastle, Top. Eng. ; drawn by Lieut. Hardcastle, Top. Engrs.
MLA
Hardcastle, E. L. F. (Edmund Lafayette), 1824-1899. Map of Genl. Worth's operations on the 20th of Augt. 1847 / surveyed by Capt. Mason of Engrs. & Lieut. Hardcastle, Top. Eng. ; drawn by Lieut. Hardcastle, Top. Engrs.. BRBL_00649. 1847?]. https://collections.library.yale.edu/catalog/15822346.
APA, 6th edition
Hardcastle, E. L. F. (Edmund Lafayette), 1824-1899. (["BRBL_00649"])(1847?])[Map of Genl. Worth's operations on the 20th of Augt. 1847 / surveyed by Capt. Mason of Engrs. & Lieut. Hardcastle, Top. Eng. ; drawn by Lieut. Hardcastle, Top. Engrs.]. https://collections.library.yale.edu/catalog/15822346.