Johnson, L. R., & Minnotte, J. S. (1989). The headwaters district roundtables: An eyewitness history of the Pittsburgh District, United States Army Corps of Engineers, 1936-1988. U.S. Army Engineer District.
Chicago Style (17th ed.) CitationJohnson, Leland R., and Jacque S. Minnotte. The Headwaters District Roundtables: An Eyewitness History of the Pittsburgh District, United States Army Corps of Engineers, 1936-1988. Pittsburgh, Pa.: U.S. Army Engineer District, 1989.
MLA (8th ed.) CitationJohnson, Leland R., and Jacque S. Minnotte. The Headwaters District Roundtables: An Eyewitness History of the Pittsburgh District, United States Army Corps of Engineers, 1936-1988. U.S. Army Engineer District, 1989.
Warning: These citations may not always be 100% accurate.