APA (7th ed.) Citation

Bernthal, F. M. Recognizing the global nature of environmental problems. U.S. Dept. of State, Bureau of Public Affairs, [1989?].

Chicago Style (17th ed.) Citation

Bernthal, Frederick M. Recognizing the Global Nature of Environmental Problems. Washington, D.C.: U.S. Dept. of State, Bureau of Public Affairs, [1989?].

MLA (9th ed.) Citation

Bernthal, Frederick M. Recognizing the Global Nature of Environmental Problems. U.S. Dept. of State, Bureau of Public Affairs, [1989?].