APA
Pacula R. L., Ross Karen E, Ringel Jeanne & National Bureau Of Economic Research. (2003). Does marijuana use impair human capital formation?. Cambridge, MA: NBER.
Chicago
Pacula Rosalie Liccardo, Ross Karen E, Ringel Jeanne and National Bureau Of Economic Research. 2003. Does marijuana use impair human capital formation?. Cambridge, MA: NBER.
Harvard
Pacula R. L., Ross Karen E, Ringel Jeanne and National Bureau Of Economic Research. (2003). Does marijuana use impair human capital formation?. Cambridge, MA: NBER.
MLA
Pacula Rosalie Liccardo, Ross Karen E, Ringel Jeanne and National Bureau Of Economic Research. Does marijuana use impair human capital formation?. Cambridge, MA: NBER. 2003.