APA (7th ed.) Citation

Gruen, A. L. (1998). The U.S. Army Air Forces in World War II: Preemptive defense : Allied air power versus Hitler's V-weapons, 1943-1945. Air Force History and Museums Program.

Chicago Style (17th ed.) Citation

Gruen, Adam L. The U.S. Army Air Forces in World War II: Preemptive Defense : Allied Air Power Versus Hitler's V-weapons, 1943-1945. Washington, DC: Air Force History and Museums Program, 1998.

MLA (9th ed.) Citation

Gruen, Adam L. The U.S. Army Air Forces in World War II: Preemptive Defense : Allied Air Power Versus Hitler's V-weapons, 1943-1945. Air Force History and Museums Program, 1998.