APA (7th ed.) Citation

Walker, J. R., & Walker, J. T. (2011). Tourism: Concepts and practices (authorized licensed edition.). Pearson.

Chicago Style (17th ed.) Citation

Walker, John R., and Josielyn T. Walker. Tourism: Concepts and Practices. authorized licensed edition. New Delhi: Pearson, 2011.

MLA (9th ed.) Citation

Walker, John R., and Josielyn T. Walker. Tourism: Concepts and Practices. authorized licensed edition. Pearson, 2011.