APA
Card D., National Bureau of Economic Research, Della V. S. & Malmendier U. (2011). The Role of theory in field experiments. Cambridge: NBER.
Chicago
Card David, National Bureau of Economic Research, Della Vigna Stefano and Malmendier Ulrike. 2011. The Role of theory in field experiments. Cambridge: NBER.
Harvard
Card D., National Bureau of Economic Research, Della V. S. and Malmendier U. (2011). The Role of theory in field experiments. Cambridge: NBER.
MLA
Card David, National Bureau of Economic Research, Della Vigna Stefano and Malmendier Ulrike. The Role of theory in field experiments. Cambridge: NBER. 2011.