APA
Heckman J. J., Lochner L. & Taber C. (1998). General equilibrium treatment effects : a study of tuition policy. Cambridge, Mass: National Bureau of Economic Research.
Chicago
Heckman James J, Lochner Lance and Taber Christopher. 1998. General equilibrium treatment effects : a study of tuition policy. Cambridge, Mass: National Bureau of Economic Research.
Harvard
Heckman J. J., Lochner L. and Taber C. (1998). General equilibrium treatment effects : a study of tuition policy. Cambridge, Mass: National Bureau of Economic Research.
MLA
Heckman James J, Lochner Lance and Taber Christopher. General equilibrium treatment effects : a study of tuition policy. Cambridge, Mass: National Bureau of Economic Research. 1998.