APA (7th ed.) Citation

Walker, R., & Keith Harding. (2007). Tourism 2: Student's book. Oxford University Press.

Chicago Style (17th ed.) Citation

Walker, Robin, and Keith Harding. Tourism 2: Student's Book. New York: Oxford University Press, 2007.

MLA (8th ed.) Citation

Walker, Robin, and Keith Harding. Tourism 2: Student's Book. Oxford University Press, 2007.