APA Style

Ritchie, C, R, G, J, R, B. (2009). TOURISM Principles, Practices, Philosophies . : John Wiley & Sons, Inc..

MLA Style

Ritchie, Charles, R., Goeldner, J., R., Brent. "TOURISM Principles, Practices, Philosophies". : John Wiley & Sons, Inc., 2009. Text.