APA (7th ed.) Citation

Fay, J. F. (1987). The helicopter: History, piloting and how it flies. Hippocrene Books.

Chicago Style (17th ed.) Citation

Fay, John Foster. The Helicopter: History, Piloting and How It Flies. New York: Hippocrene Books, 1987.

MLA (9th ed.) Citation

Fay, John Foster. The Helicopter: History, Piloting and How It Flies. Hippocrene Books, 1987.

Warning: These citations may not always be 100% accurate.