APA (7th ed.) Citation

Saffer, H., & Chaloupka, F. J. (1999). State drug control spending and illicit drug participation. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Saffer, Henry, and Frank J. Chaloupka. State Drug Control Spending and Illicit Drug Participation. Cambridge, Mass: National Bureau of Economic Research, 1999.

MLA (9th ed.) Citation

Saffer, Henry, and Frank J. Chaloupka. State Drug Control Spending and Illicit Drug Participation. National Bureau of Economic Research, 1999.