APA (7th ed.) Citation

Cowin, H. W. (1984). Military helicopters ([1st U.S. ed.].). Gallery Books.

Chicago Style (17th ed.) Citation

Cowin, Hugh W. Military Helicopters. [1st U.S. ed.]. New York: Gallery Books, 1984.

MLA (9th ed.) Citation

Cowin, Hugh W. Military Helicopters. [1st U.S. ed.]. Gallery Books, 1984.