Cita APA

Obsfeldt, R. L., Boyle, R. G., & Capilouto, E. I. (1998). Tobacco taxes, smoking restrictions and tobacco use. National Bureau of Economic Research.

Citación estilo Chicago

Obsfeldt, Robert L., Raymond G. Boyle, and Eli I. Capilouto. Tobacco Taxes, Smoking Restrictions and Tobacco Use. Cambridge: National Bureau of Economic Research, 1998.

Cita MLA

Obsfeldt, Robert L., et al. Tobacco Taxes, Smoking Restrictions and Tobacco Use. National Bureau of Economic Research, 1998.