APA (7th ed.) Citation

United Nations Environment Programme. Governing Council. (1983). The State of the environment 1983: Selected topics. United Nations Environment Programme.

Chicago Style (17th ed.) Citation

United Nations Environment Programme. Governing Council. The State of the Environment 1983: Selected Topics. Nairobi, Kenya: United Nations Environment Programme, 1983.

MLA (9th ed.) Citation

United Nations Environment Programme. Governing Council. The State of the Environment 1983: Selected Topics. United Nations Environment Programme, 1983.