APA (7th ed.) Citation

Civil Aviation Authority. (1993). Passengers at London airports in 1991 / (Civil AviationAuthority). Civil Aviation Authority.

Chicago Style (17th ed.) Citation

Civil Aviation Authority. Passengers at London Airports in 1991 / (Civil AviationAuthority). London: Civil Aviation Authority, 1993.

MLA (9th ed.) Citation

Civil Aviation Authority. Passengers at London Airports in 1991 / (Civil AviationAuthority). Civil Aviation Authority, 1993.

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