APA (7th ed.) Citation

World Tourism Organization. (1994). Basic documents (3rd ed.). World Tourism Organization.

Chicago Style (17th ed.) Citation

World Tourism Organization. Basic Documents. 3rd ed. Madrid: World Tourism Organization, 1994.

MLA (9th ed.) Citation

World Tourism Organization. Basic Documents. 3rd ed. World Tourism Organization, 1994.

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