Cita APA (7th ed.)

Chaloupka, F. J., Grossman, M., & Taura, J. A. (1996). Public policy and youth smokeless tobacco use. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Chaloupka, F J., Michael Grossman, i John A. Taura. Public Policy and Youth Smokeless Tobacco Use. Cambridge: National Bureau of Economic Research, 1996.

Cita MLA (9th ed.)

Chaloupka, F J., et al. Public Policy and Youth Smokeless Tobacco Use. National Bureau of Economic Research, 1996.