APA (7th ed.) Citation

Levin, A. L. (1977). Protecting the human environment: Procedures and principles for preventing and resolving international controversies. United Nations Institute for Training and Research.

Chicago Style (17th ed.) Citation

Levin, Aida Luisa. Protecting the Human Environment: Procedures and Principles for Preventing and Resolving International Controversies. New York: United Nations Institute for Training and Research, 1977.

MLA (9th ed.) Citation

Levin, Aida Luisa. Protecting the Human Environment: Procedures and Principles for Preventing and Resolving International Controversies. United Nations Institute for Training and Research, 1977.