APA (7th ed.) Citation

Brie, R. A. C. (1968). A history of British rotorcraft, 1866-1965 / by R.A.C. Brie. Westland Helicopters.

Chicago Style (17th ed.) Citation

Brie, R. A. C. A History of British Rotorcraft, 1866-1965 / by R.A.C. Brie. Westland Helicopters, 1968.

MLA (9th ed.) Citation

Brie, R. A. C. A History of British Rotorcraft, 1866-1965 / by R.A.C. Brie. Westland Helicopters, 1968.

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