APA (7th ed.) Citation

Bradbrooke, J. (1972). The world's helicopters: Joan Bradbrooke. The Bodley Head.

Chicago Style (17th ed.) Citation

Bradbrooke, Joan. The World's Helicopters: Joan Bradbrooke. London: The Bodley Head, 1972.

MLA (9th ed.) Citation

Bradbrooke, Joan. The World's Helicopters: Joan Bradbrooke. The Bodley Head, 1972.

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