United States. Army. Corps of Engineers & Spalding, G. R. (1914). Engineer officer and mobile Army. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Army. Corps of Engineers and George R. Spalding. Engineer Officer and Mobile Army. Washington: [publisher not identified], 1914.
MLA (9th ed.) CitationUnited States. Army. Corps of Engineers and George R. Spalding. Engineer Officer and Mobile Army. [publisher not identified], 1914.
Warning: These citations may not always be 100% accurate.