APA (7th ed.) Citation

Civil Aviation Authority. (1991). Passengers at Scottish airports in 1990 / Civil Aviation Authority. Civil Aviation Authority.

Chicago Style (17th ed.) Citation

Civil Aviation Authority. Passengers at Scottish Airports in 1990 / Civil Aviation Authority. London: Civil Aviation Authority, 1991.

MLA (9th ed.) Citation

Civil Aviation Authority. Passengers at Scottish Airports in 1990 / Civil Aviation Authority. Civil Aviation Authority, 1991.

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