APA (7th ed.) Citation

Green, W., & Swanborough, G. (1974). The observer's basic civil aircraft directory. Warne.

Chicago Style (17th ed.) Citation

Green, William, and Gordon Swanborough. The Observer's Basic Civil Aircraft Directory. London [u.a.]: Warne, 1974.

MLA (9th ed.) Citation

Green, William, and Gordon Swanborough. The Observer's Basic Civil Aircraft Directory. Warne, 1974.