APA (7th ed.) Citation

Green, W. (1961). The Observer's world aircraft directory. F. Warne.

Chicago Style (17th ed.) Citation

Green, William. The Observer's World Aircraft Directory. London, New York: F. Warne, 1961.

MLA (9th ed.) Citation

Green, William. The Observer's World Aircraft Directory. F. Warne, 1961.

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