APA (7th ed.) Citation

Gilbert, G. A. (1973). Air traffic control: The uncrowded sky. Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Gilbert, Glen Alexander. Air Traffic Control: The Uncrowded Sky. Washington: Smithsonian Institution Press, 1973.

MLA (9th ed.) Citation

Gilbert, Glen Alexander. Air Traffic Control: The Uncrowded Sky. Smithsonian Institution Press, 1973.