APA (7th ed.) Citation

Gee, C. Y., Makens, J. C., & Choy, D. J. L. (1989). The travel industry (2nd ed.). Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Gee, Chuck Y., James C. Makens, and Dexter J. L. Choy. The Travel Industry. 2nd ed. New York: Van Nostrand Reinhold, 1989.

MLA (9th ed.) Citation

Gee, Chuck Y., et al. The Travel Industry. 2nd ed. Van Nostrand Reinhold, 1989.