United States. Army. Corps of Engineers. (1978). Tunnels and shafts in rock. [Dept. of Defense], Dept. of the Army, Corps of Engineers.
Chicago Style (17th ed.) CitationUnited States. Army. Corps of Engineers. Tunnels and Shafts in Rock. [Washington]: [Dept. of Defense], Dept. of the Army, Corps of Engineers, 1978.
MLA (9th ed.) CitationUnited States. Army. Corps of Engineers. Tunnels and Shafts in Rock. [Dept. of Defense], Dept. of the Army, Corps of Engineers, 1978.
Warning: These citations may not always be 100% accurate.