Cita APA (7a ed.)

Pacula, R. L., Chaloupka, F. J., Grossman, & Kilmer, B. (2007). Risks and Prices: The Role of User Sanctions in Marijuana Markets. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Pacula, Rosalie Liccardo, Frank J. Chaloupka, Grossman, y Beau Kilmer. Risks and Prices: The Role of User Sanctions in Marijuana Markets. National Bureau of Economic Research, 2007.

Cita MLA (9a ed.)

Pacula, Rosalie Liccardo, et al. Risks and Prices: The Role of User Sanctions in Marijuana Markets. National Bureau of Economic Research, 2007.