APA (7th ed.) Citation

World Tourism Organization (WTO). (2015). Yearbook of tourism statistics: Data 2009-2013. World Tourism Organization.

Chicago Style (17th ed.) Citation

World Tourism Organization (WTO). Yearbook of Tourism Statistics: Data 2009-2013. Madrid: World Tourism Organization, 2015.

MLA (9th ed.) Citation

World Tourism Organization (WTO). Yearbook of Tourism Statistics: Data 2009-2013. World Tourism Organization, 2015.

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