APA (7th ed.) Citation

United Nations Environment Programme. (1997). Global environment outlook. UNEP.

Chicago Style (17th ed.) Citation

United Nations Environment Programme. Global Environment Outlook. Nairobi: UNEP, 1997.

MLA (8th ed.) Citation

United Nations Environment Programme. Global Environment Outlook. UNEP, 1997.

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