APA (7th ed.) Citation

Butler, R., & Russell, R. A. (2010). Giants of tourism. CABI. https://doi.org/10.1079/9781845936525.0000

Chicago Style (17th ed.) Citation

Butler, Richard, and Roslyn A. Russell. Giants of Tourism. Wallingford, Oxfordshire, UK: CABI, 2010. https://doi.org/10.1079/9781845936525.0000.

MLA (9th ed.) Citation

Butler, Richard, and Roslyn A. Russell. Giants of Tourism. CABI, 2010. https://doi.org/10.1079/9781845936525.0000.