APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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