APA (7th ed.) Citation

United Nations Environment Programme. (1981). An environmental bibliography. United Nations Environment Programme.

Chicago Style (17th ed.) Citation

United Nations Environment Programme. An Environmental Bibliography. Nairobi: United Nations Environment Programme, 1981.

MLA (9th ed.) Citation

United Nations Environment Programme. An Environmental Bibliography. United Nations Environment Programme, 1981.

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