United States. Army Air Forces. Air Force, 2. A. I. U. Survival at Altitude for Heavy and Very Heavy Bomber Crews.
Chicago Style (17th ed.) CitationUnited States. Army Air Forces. Air Force, 2nd. Altitude Indoctrination Unit. Survival at Altitude for Heavy and Very Heavy Bomber Crews.
MLA (9th ed.) CitationUnited States. Army Air Forces. Air Force, 2nd. Altitude Indoctrination Unit. Survival at Altitude for Heavy and Very Heavy Bomber Crews.
Warning: These citations may not always be 100% accurate.