APA
Polinsky A. M., National Bureau of Economic Research & Paul N. R. (2017). Deterrence and the optimal use of prison, parole, and probation. Cambridge: NBER.
Chicago
Polinsky A Mitchell, National Bureau of Economic Research and Paul N Riskind. 2017. Deterrence and the optimal use of prison, parole, and probation. Cambridge: NBER.
Harvard
Polinsky A. M., National Bureau of Economic Research and Paul N. R. (2017). Deterrence and the optimal use of prison, parole, and probation. Cambridge: NBER.
MLA
Polinsky A Mitchell, National Bureau of Economic Research and Paul N Riskind. Deterrence and the optimal use of prison, parole, and probation. Cambridge: NBER. 2017.