APA (7th ed.) Citation

(1931). Special orders of Army Corps of Engineers, 1931. [publisher not identified].

Chicago Style (17th ed.) Citation

Special Orders of Army Corps of Engineers, 1931. [Washington]: [publisher not identified], 1931.

MLA (9th ed.) Citation

Special Orders of Army Corps of Engineers, 1931. [publisher not identified], 1931.

Warning: These citations may not always be 100% accurate.