APA (7th ed.) Citation

Johnson, L. R. (1985). The Davis Island Lock and Dam, 1870-1922. U.S. Army Engineer District.

Chicago Style (17th ed.) Citation

Johnson, Leland R. The Davis Island Lock and Dam, 1870-1922. Pittsburgh, Pa.: U.S. Army Engineer District, 1985.

MLA (9th ed.) Citation

Johnson, Leland R. The Davis Island Lock and Dam, 1870-1922. U.S. Army Engineer District, 1985.