APA (7th ed.) Citation

World Tourism Organization. (1976). Economic review of world tourism. World Tourism Organization.

Chicago Style (17th ed.) Citation

World Tourism Organization. Economic Review of World Tourism. Madrid: World Tourism Organization, 1976.

MLA (9th ed.) Citation

World Tourism Organization. Economic Review of World Tourism. World Tourism Organization, 1976.

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