APA
Butler J., Guiso Luigi, Giuliano Paola & National Bureau Of Economic Research. (2009). The right amount of trust. Cambridge: NBER.
Chicago
Butler Jeffrey, Guiso Luigi, Giuliano Paola and National Bureau Of Economic Research. 2009. The right amount of trust. Cambridge: NBER.
Harvard
Butler J., Guiso Luigi, Giuliano Paola and National Bureau Of Economic Research. (2009). The right amount of trust. Cambridge: NBER.
MLA
Butler Jeffrey, Guiso Luigi, Giuliano Paola and National Bureau Of Economic Research. The right amount of trust. Cambridge: NBER. 2009.