APA (7th ed.) Citation

World Tourism Organization. (2004). Tourism at world heritage cultural sites: The site manager's handbook. World Tourism Organization.

Chicago Style (17th ed.) Citation

World Tourism Organization. Tourism at World Heritage Cultural Sites: The Site Manager's Handbook. World Tourism Organization, 2004.

MLA (8th ed.) Citation

World Tourism Organization. Tourism at World Heritage Cultural Sites: The Site Manager's Handbook. World Tourism Organization, 2004.

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