APA Style

Goeldner, C, R., Ritchie, J, R, B. (2012). Tourism : Principles, Practices, Philosophies. Twelfth Edition (Twelfth Edition). Hoboken: Wiley Pub.

MLA Style

Goeldner, Charles, R., Ritchie, J., R., Brent. "Tourism : Principles, Practices, Philosophies. Twelfth Edition". Twelfth Edition Hoboken: Wiley Pub, 2012. Text.