Cita APA (7a ed.)

Sampson, G. P., & Chambers, W. B. (2002). Trade, environment, and the millennium (2nd edition.). United Nations University Press.

Cita Chicago Style (17a ed.)

Sampson, Gary P., y W. Bradnee Chambers. Trade, Environment, and the Millennium. 2nd edition. Tokyo ; New York: United Nations University Press, 2002.

Cita MLA (8a ed.)

Sampson, Gary P., y W. Bradnee Chambers. Trade, Environment, and the Millennium. 2nd edition. United Nations University Press, 2002.