APA (7th ed.) Citation

Cater, E., & Lowman, G. (1996). Ecotourism: A sustainable option? John Wiley.

Chicago Style (17th ed.) Citation

Cater, Erlet, and Gwen Lowman. Ecotourism: A Sustainable Option? Chichester: John Wiley, 1996.

MLA (9th ed.) Citation

Cater, Erlet, and Gwen Lowman. Ecotourism: A Sustainable Option? John Wiley, 1996.