Cita APA (7a ed.)

Gruber, J., & Mullainathan, S. (2002). Do cigarette taxes make smokers happier? National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Gruber, Jonathan, y Sendhil Mullainathan. Do Cigarette Taxes Make Smokers Happier? Cambridge, MA: National Bureau of Economic Research, 2002.

Cita MLA (9a ed.)

Gruber, Jonathan, y Sendhil Mullainathan. Do Cigarette Taxes Make Smokers Happier? National Bureau of Economic Research, 2002.