Official plan of the siege of Yorktown, Va. conducted by the Army of the Potomac under command of Maj. Gen. George B. McClellan U.S.A., April 5th to May 3rd 1862 / prepared under the direction of Brig. Gen. J.G. Barnard, Chief Engr. by Lieut. Henry L. Abb
MLA
Abbot, Henry L. Official Plan of the Siege of Yorktown, Va. Conducted by the Army of the Potomac under Command of Maj. Gen. George B. McClellan U.S.A., April 5th to May 3rd 1862 / Prepared under the Direction of Brig. Gen. J.G. Barnard, Chief Engr. by Lieut. Henry L. Abb. Corps of Topgraphical Engineers?, 1862. https://collections.library.yale.edu/catalog/15811295.
APA, 6th edition
Abbot, H. L. (1862). Official plan of the siege of Yorktown, Va. conducted by the Army of the Potomac under command of Maj. Gen. George B. McClellan U.S.A., April 5th to May 3rd 1862 / prepared under the direction of Brig. Gen. J.G. Barnard, Chief Engr. by Lieut. Henry L. Abb [Maps]. Corps of Topgraphical Engineers?, https://collections.library.yale.edu/catalog/15811295.
