APA (7th ed.) Citation

Ziemke, E. F. (1990). The German decision to invade Norway and Denmark. Center of Military History, U.S. Army.

Chicago Style (17th ed.) Citation

Ziemke, Earl F. The German Decision to Invade Norway and Denmark. Washington, D.C.: Center of Military History, U.S. Army, 1990.

MLA (9th ed.) Citation

Ziemke, Earl F. The German Decision to Invade Norway and Denmark. Center of Military History, U.S. Army, 1990.