APA (7th ed.) Citation

(1979). Directory of institutions and individuals active in environmentally-sound and appropriate technologies. Published for the United Nations Environment Programme by Pergamon Press.

Chicago Style (17th ed.) Citation

Directory of Institutions and Individuals Active in Environmentally-sound and Appropriate Technologies. Oxford New York: Published for the United Nations Environment Programme by Pergamon Press, 1979.

MLA (9th ed.) Citation

Directory of Institutions and Individuals Active in Environmentally-sound and Appropriate Technologies. Published for the United Nations Environment Programme by Pergamon Press, 1979.