Plan of the rebel works and armament at Yorktown Va. captured by the Army of the Potomac under Maj. Gen. G.B. McClellan, U.S.A. on May 4, 1862 / made on May 4, 1862 by order of J.G. Barnard, chief engineer, A.P., by Henry L. Abbot, Corps T. Engineers.
MLA
Abbot, Henry L. Plan of the Rebel Works and Armament at Yorktown Va. Captured by the Army of the Potomac under Maj. Gen. G.B. McClellan, U.S.A. on May 4, 1862 / Made on May 4, 1862 by Order of J.G. Barnard, Chief Engineer, A.P., by Henry L. Abbot, Corps T. Engineers. Corps of Topographical Engineers?, 1862. https://collections.library.yale.edu/catalog/15811292.
APA, 6th edition
Abbot, H. L. (1862). Plan of the rebel works and armament at Yorktown Va. captured by the Army of the Potomac under Maj. Gen. G.B. McClellan, U.S.A. on May 4, 1862 / made on May 4, 1862 by order of J.G. Barnard, chief engineer, A.P., by Henry L. Abbot, Corps T. Engineers. [Maps]. Corps of Topographical Engineers?, https://collections.library.yale.edu/catalog/15811292.
