APA (7th ed.) Citation
Lascurain-Ceballos Hector, McNeely Jeffrey A., & Thorsell James W. (1992). Guidelines: Development of National Parks and Protected Areas for Tourism. World Tourism Organization (WTO).
Chicago Style (17th ed.) Citation
Lascurain-Ceballos Hector, McNeely Jeffrey A., and Thorsell James W. Guidelines: Development of National Parks and Protected Areas for Tourism. World Tourism Organization (WTO), 1992.
MLA (9th ed.) Citation
Lascurain-Ceballos Hector, et al. Guidelines: Development of National Parks and Protected Areas for Tourism. World Tourism Organization (WTO), 1992.
Warning: These citations may not always be 100% accurate.