APA (7th ed.) Citation

United Nations Environment Programme. (2016). Global environment outlook: GEO-6 : assessment for the Pan-European region. United Nations Environment Programme.

Chicago Style (17th ed.) Citation

United Nations Environment Programme. Global Environment Outlook: GEO-6 : Assessment for the Pan-European Region. Nairobi, Kenya: United Nations Environment Programme, 2016.

MLA (9th ed.) Citation

United Nations Environment Programme. Global Environment Outlook: GEO-6 : Assessment for the Pan-European Region. United Nations Environment Programme, 2016.