Cita APA

Council on Environmental Quality (U.S.), United States. Department of State, & Barney, G. O. (1980). The global 2000 report to the president of the U. S.: Entering the 21st century. Pergamon Press.

Citación estilo Chicago

Council on Environmental Quality (U.S.), United States. Department of State, and Gerald O. Barney. The Global 2000 Report to the President of the U. S.: Entering the 21st Century. New York: Pergamon Press, 1980.

Cita MLA

Council on Environmental Quality (U.S.), United States. Department of State, and Gerald O. Barney. The Global 2000 Report to the President of the U. S.: Entering the 21st Century. New York: Pergamon Press, 1980.