U.S. Army Engineer School & Haferkorn, H. E. Professional memoirs, Corps of engineers, United States army and Engineer department at large. Engineer school.
Chicago Style (17th ed.) CitationU.S. Army Engineer School and Henry Ernest Haferkorn. Professional Memoirs, Corps of Engineers, United States Army and Engineer Department at Large. Washington Barracks, D.C.: Engineer school.
MLA (9th ed.) CitationU.S. Army Engineer School and Henry Ernest Haferkorn. Professional Memoirs, Corps of Engineers, United States Army and Engineer Department at Large. Engineer school.
Warning: These citations may not always be 100% accurate.