APA (7th ed.) Citation

(1992). WWII: The early years. U.S. Army Center of Military History.

Chicago Style (17th ed.) Citation

WWII: The Early Years. [Washington, D.C.]: U.S. Army Center of Military History, 1992.

MLA (9th ed.) Citation

WWII: The Early Years. U.S. Army Center of Military History, 1992.