APA
Alesina A., National Bureau of Economic Research, Piccolo S. & Pinotti P. (2016). Organized crime, violence and politics. Cambridge: NBER.
Chicago
Alesina Alberto, National Bureau of Economic Research, Piccolo Salvatore and Pinotti Paolo. 2016. Organized crime, violence and politics. Cambridge: NBER.
Harvard
Alesina A., National Bureau of Economic Research, Piccolo S. and Pinotti P. (2016). Organized crime, violence and politics. Cambridge: NBER.
MLA
Alesina Alberto, National Bureau of Economic Research, Piccolo Salvatore and Pinotti Paolo. Organized crime, violence and politics. Cambridge: NBER. 2016.