APA (7th ed.) Citation

United States. Army. Corps of Engineers & Leach, S. S. (1912). Engineer field manual (4th (rev.) ed. with addenda.). G.P.O..

Chicago Style (17th ed.) Citation

United States. Army. Corps of Engineers and Smith S. Leach. Engineer Field Manual. 4th (rev.) ed. with addenda. Washington [D.C.]: G.P.O., 1912.

MLA (9th ed.) Citation

United States. Army. Corps of Engineers and Smith S. Leach. Engineer Field Manual. 4th (rev.) ed. with addenda. G.P.O., 1912.