APA (7th ed.) Citation

Chaloupka, F. J. (1999). Do higher cigarette prices encourage youth to use marijuana? National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Chaloupka, Frank J. Do Higher Cigarette Prices Encourage Youth to Use Marijuana? Cambridge, MA: National Bureau of Economic Research, 1999.

MLA (9th ed.) Citation

Chaloupka, Frank J. Do Higher Cigarette Prices Encourage Youth to Use Marijuana? National Bureau of Economic Research, 1999.