Cita APA (7a ed.)

Becker, R. A., & Henderson, J. V. (1999). Costs of air quality regulation. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Becker, Randy A., y J. Vernon Henderson. Costs of Air Quality Regulation. Cambridge, MA: National Bureau of Economic Research, 1999.

Cita MLA (9a ed.)

Becker, Randy A., y J. Vernon Henderson. Costs of Air Quality Regulation. National Bureau of Economic Research, 1999.