APA (7th ed.) Citation

United Nations Environment Programme. (1980). Wildlife and protected areas: An overview. [publisher not identified].

Chicago Style (17th ed.) Citation

United Nations Environment Programme. Wildlife and Protected Areas: An Overview. New York, N.Y. : UNIPUB: [publisher not identified], 1980.

MLA (9th ed.) Citation

United Nations Environment Programme. Wildlife and Protected Areas: An Overview. [publisher not identified], 1980.

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