APA (7th ed.) Citation

Hogan, D. W. (2000). 225 years of service: The U.S. Army, 1775-2000. Center of Military History, U.S. Army.

Chicago Style (17th ed.) Citation

Hogan, David W. 225 Years of Service: The U.S. Army, 1775-2000. Washington, D.C.: Center of Military History, U.S. Army, 2000.

MLA (9th ed.) Citation

Hogan, David W. 225 Years of Service: The U.S. Army, 1775-2000. Center of Military History, U.S. Army, 2000.