APA (7th ed.) Citation

World Tourism Organization & United Nations Environment Programme. (2012). Tourism in the green economy: Background report. World Tourism Organization ; United Nations Environmental Programme.

Chicago Style (17th ed.) Citation

World Tourism Organization and United Nations Environment Programme. Tourism in the Green Economy: Background Report. Madrid, Spain : Nairobi, Kenya: World Tourism Organization ; United Nations Environmental Programme, 2012.

MLA (9th ed.) Citation

World Tourism Organization and United Nations Environment Programme. Tourism in the Green Economy: Background Report. World Tourism Organization ; United Nations Environmental Programme, 2012.