APA (7th ed.) Citation

United Nations Environment Programme. (1981). An Environmental bibliography: Publications issued by UNEP or under its auspices, 1973-1980. United Nations Environment Programme.

Chicago Style (17th ed.) Citation

United Nations Environment Programme. An Environmental Bibliography: Publications Issued by UNEP or Under Its Auspices, 1973-1980. Nairobi: United Nations Environment Programme, 1981.

MLA (9th ed.) Citation

United Nations Environment Programme. An Environmental Bibliography: Publications Issued by UNEP or Under Its Auspices, 1973-1980. United Nations Environment Programme, 1981.