APA (7th ed.) Citation

United Nations Environment Programme. (1991). Companies' organization and public communication on environmental issues. UNEP.

Chicago Style (17th ed.) Citation

United Nations Environment Programme. Companies' Organization and Public Communication on Environmental Issues. Paris: UNEP, 1991.

MLA (9th ed.) Citation

United Nations Environment Programme. Companies' Organization and Public Communication on Environmental Issues. UNEP, 1991.

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