APA (7th ed.) Citation

Chaloupka, F. J., Grossman, M., & Tauras, J. A. (1998). The demand for cocaine and marijuana by youth. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Chaloupka, Frank J., Michael Grossman, and John A. Tauras. The Demand for Cocaine and Marijuana by Youth. Cambridge, Mass: National Bureau of Economic Research, 1998.

MLA (9th ed.) Citation

Chaloupka, Frank J., et al. The Demand for Cocaine and Marijuana by Youth. National Bureau of Economic Research, 1998.