APA Style

Polmar, N., Kennedy, F, D, J. (1981). Military Helicopters of the World : Military Rotary-Wing Aircraft Since 1917 . Annapolis, MD: Naval Institute Press.

MLA Style

Polmar, Norman., Kennedy, Floyd, D., Jr.. "Military Helicopters of the World : Military Rotary-Wing Aircraft Since 1917". Annapolis, MD: Naval Institute Press, 1981. หนังสือ (Book).