APA (7th ed.) Citation

World Tourism Organization. (2011). Yearbook of tourism statistics: Data 2005-2009. World Tourism Organization.

Chicago Style (17th ed.) Citation

World Tourism Organization. Yearbook of Tourism Statistics: Data 2005-2009. Madrid: World Tourism Organization, 2011.

MLA (9th ed.) Citation

World Tourism Organization. Yearbook of Tourism Statistics: Data 2005-2009. World Tourism Organization, 2011.

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