APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Saffer, Henry, and Frank J. Chaloupka. Demographic Differentials in the Demand for Alcohol and Illicit Drugs. Cambridge, Mass: National Bureau of Economic Research, 1998.

MLA (9th ed.) Citation

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