APA (7th ed.) Citation

United Nations. Environment Programme. (1981). An overview: Environmental management. United Nations Environment Programme.

Chicago Style (17th ed.) Citation

United Nations. Environment Programme. An Overview: Environmental Management. Nairobi: United Nations Environment Programme, 1981.

MLA (9th ed.) Citation

United Nations. Environment Programme. An Overview: Environmental Management. United Nations Environment Programme, 1981.

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