APA
Chaloupka F. J., Pacula R. L., . (1998). An examination of gender and race differences in youth smoking responsiveness to price and tobacco control policies. Cambridge, Mass: National Bureau of Economic Research.
Chicago
Chaloupka Frank J, Pacula Rosalie Liccardo, . 1998. An examination of gender and race differences in youth smoking responsiveness to price and tobacco control policies. Cambridge, Mass: National Bureau of Economic Research.
Harvard
Chaloupka F. J., Pacula R. L., . (1998). An examination of gender and race differences in youth smoking responsiveness to price and tobacco control policies. Cambridge, Mass: National Bureau of Economic Research.
MLA
Chaloupka Frank J, Pacula Rosalie Liccardo, . An examination of gender and race differences in youth smoking responsiveness to price and tobacco control policies. Cambridge, Mass: National Bureau of Economic Research. 1998.