APA (7th ed.) Citation

World Tourism Organization. (1995). Concepts, definitions and classifications for tourism statistics. WTO.

Chicago Style (17th ed.) Citation

World Tourism Organization. Concepts, Definitions and Classifications for Tourism Statistics. Madrid: WTO, 1995.

MLA (8th ed.) Citation

World Tourism Organization. Concepts, Definitions and Classifications for Tourism Statistics. WTO, 1995.

Warning: These citations may not always be 100% accurate.