APA (7th ed.) Citation

Duke, G. R. (1989). Air traffic control / Graham Duke (3rd ed.). Ian Allan.

Chicago Style (17th ed.) Citation

Duke, G. R. Air Traffic Control / Graham Duke. 3rd ed. London: Ian Allan, 1989.

MLA (9th ed.) Citation

Duke, G. R. Air Traffic Control / Graham Duke. 3rd ed. Ian Allan, 1989.

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