APA (7th ed.) Citation

General Service Schools (U.S.). (1923). Tactical and strategical studies; group of armies: Chapter II. Group of armies in defense. Fort Leavenworth, Kans.

Chicago Style (17th ed.) Citation

General Service Schools (U.S.). Tactical and Strategical Studies; Group of Armies: Chapter II. Group of Armies in Defense. [Washington]: Fort Leavenworth, Kans, 1923.

MLA (9th ed.) Citation

General Service Schools (U.S.). Tactical and Strategical Studies; Group of Armies: Chapter II. Group of Armies in Defense. Fort Leavenworth, Kans, 1923.