APA (7th ed.) Citation

GUNSTON. (1991). The world's major passenger airlines. Salamander Books.

Chicago Style (17th ed.) Citation

GUNSTON. The World's Major Passenger Airlines. London: Salamander Books, 1991.

MLA (8th ed.) Citation

GUNSTON. The World's Major Passenger Airlines. Salamander Books, 1991.

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