APA (7th ed.) Citation

United Nations. Environment Programme & Environmental Development Action. (1981). Environment and development in Africa: A study. For the United Nations Environment Programme by Pergamon Press.

Chicago Style (17th ed.) Citation

United Nations. Environment Programme and Environmental Development Action. Environment and Development in Africa: A Study. Oxford: For the United Nations Environment Programme by Pergamon Press, 1981.

MLA (9th ed.) Citation

United Nations. Environment Programme and Environmental Development Action. Environment and Development in Africa: A Study. For the United Nations Environment Programme by Pergamon Press, 1981.