APA (7th ed.) Citation

United States. War Department. (1931). Changes in AR 35-4520. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. War Department. Changes in AR 35-4520. Washington: [publisher not identified], 1931.

MLA (9th ed.) Citation

United States. War Department. Changes in AR 35-4520. [publisher not identified], 1931.

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