APA (7th ed.) Citation

(1979). Directory of institutions and individuals active in environmentally sound and appropriate technologies (1. ed.). Pergamon Press.

Chicago Style (17th ed.) Citation

Directory of Institutions and Individuals Active in Environmentally Sound and Appropriate Technologies. 1. ed. Oxford [u.a.]: Pergamon Press, 1979.

MLA (9th ed.) Citation

Directory of Institutions and Individuals Active in Environmentally Sound and Appropriate Technologies. 1. ed. Pergamon Press, 1979.