APA (7th ed.) Citation

Organización Mundial del Turismo & World Tourism Organization. (2001). Compendium of tourism statistics (21st ed.). World Tourism Organization.

Chicago Style (17th ed.) Citation

Organización Mundial del Turismo and World Tourism Organization. Compendium of Tourism Statistics. 21st ed. Madrid: World Tourism Organization, 2001.

MLA (9th ed.) Citation

Organización Mundial del Turismo and World Tourism Organization. Compendium of Tourism Statistics. 21st ed. World Tourism Organization, 2001.