Cita APA (7a ed.)

Antweiler, W., Copeland, B. R., & Taylor, M. S. (1998). Is free trade good for the environment? National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Antweiler, Werner, Brian Richard Copeland, y M. Scott Taylor. Is Free Trade Good for the Environment? Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Antweiler, Werner, et al. Is Free Trade Good for the Environment? National Bureau of Economic Research, 1998.