Cita APA

 Goeldner, C. R. (2012).  Tourism: Principles, practices, philosophies.  Wiley.

Chicago Style Citation

 Goeldner, Charles R.  Tourism: Principles, Practices, Philosophies.  Wiley, 2012.

Cita MLA

 Goeldner, Charles R.  Tourism: Principles, Practices, Philosophies.  Wiley, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.