United States. Army. Ordnance Department. (1868). Proceedings of Ordnance Board, convened, under authority from Secretary of War, by order of Chief of Ordnance, dated Dec. 17, 1867, at its sessions from Jan. 4 to Feb. 11, 1868 at Washington, D.C. GPO.
Chicago Style (17th ed.) CitationUnited States. Army. Ordnance Department. Proceedings of Ordnance Board, Convened, Under Authority from Secretary of War, by Order of Chief of Ordnance, Dated Dec. 17, 1867, at Its Sessions from Jan. 4 to Feb. 11, 1868 at Washington, D.C. [Washington]: GPO, 1868.
MLA (9th ed.) CitationUnited States. Army. Ordnance Department. Proceedings of Ordnance Board, Convened, Under Authority from Secretary of War, by Order of Chief of Ordnance, Dated Dec. 17, 1867, at Its Sessions from Jan. 4 to Feb. 11, 1868 at Washington, D.C. GPO, 1868.