APA (7th ed.) Citation

United Nations Environment Programme. (2007). Global environment outlook: Environment for development, GEO 4. United Nations Environment Programme.

Chicago Style (17th ed.) Citation

United Nations Environment Programme. Global Environment Outlook: Environment for Development, GEO 4. Nairobi, Kenya: United Nations Environment Programme, 2007.

MLA (9th ed.) Citation

United Nations Environment Programme. Global Environment Outlook: Environment for Development, GEO 4. United Nations Environment Programme, 2007.