APA citiranje

Saffer, H., & Chaloupka, F. (1998). Demographic differentials in the demand for alcohol and illici drugs. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Saffer, Henry, and Frank Chaloupka. Demographic Differentials in the Demand for Alcohol and Illici Drugs. Cambride: National Bureau of Economic Research, 1998.

MLA citiranje

Saffer, Henry, and Frank Chaloupka. Demographic Differentials in the Demand for Alcohol and Illici Drugs. National Bureau of Economic Research, 1998.