APA
Pacula R. L., National Bureau of Economic Research, Powell D. & Taylor E. (2015). Does prescription drug coverage Increase opioid abuse?. Cambridge: NBER.
Chicago
Pacula Rosalie Liccardo, National Bureau of Economic Research, Powell David and Taylor Erin. 2015. Does prescription drug coverage Increase opioid abuse?. Cambridge: NBER.
Harvard
Pacula R. L., National Bureau of Economic Research, Powell D. and Taylor E. (2015). Does prescription drug coverage Increase opioid abuse?. Cambridge: NBER.
MLA
Pacula Rosalie Liccardo, National Bureau of Economic Research, Powell David and Taylor Erin. Does prescription drug coverage Increase opioid abuse?. Cambridge: NBER. 2015.