Citazione Stile APA (7a Edizione)

(1980). ULTRA and the history of the United States Strategic Air Force in Europe vs. the German Air Force / by the U.S. Army Air Force.

Citazione stile Chigago Style (17a edizione)

ULTRA and the History of the United States Strategic Air Force in Europe Vs. the German Air Force / by the U.S. Army Air Force. 1980.

Citatione MLA (9a ed.)

ULTRA and the History of the United States Strategic Air Force in Europe Vs. the German Air Force / by the U.S. Army Air Force. 1980.