APA (7th ed.) Citation

Mehay, S. L., & Pacula, R. L. (1999). The effectiveness of workplace drug prevention policies: Does `zero tolerance' workn. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Mehay, Stephen L., and Rosalie L. Pacula. The Effectiveness of Workplace Drug Prevention Policies: Does `zero Tolerance' Workn. Cambridge: National Bureau of Economic Research, 1999.

MLA (9th ed.) Citation

Mehay, Stephen L., and Rosalie L. Pacula. The Effectiveness of Workplace Drug Prevention Policies: Does `zero Tolerance' Workn. National Bureau of Economic Research, 1999.