APA (7th ed.) Citation

Goeldner, C. R., & Ritchie, J. R. B. (2009). Tourism: Principles, practices, philosophies (11th ed.). Wiley.

Chicago Style (17th ed.) Citation

Goeldner, Charles R., and J. R. Brent Ritchie. Tourism: Principles, Practices, Philosophies. 11th ed. Hoboken, N.J: Wiley, 2009.

MLA (9th ed.) Citation

Goeldner, Charles R., and J. R. Brent Ritchie. Tourism: Principles, Practices, Philosophies. 11th ed. Wiley, 2009.