Cita APA (7a ed.)
National Bureau of Economic Research, ebrary, Inc, & Gruber, J. (2001). Risky behavior among youths: An economic analysis. University of Chicago Press.
Cita Chicago Style (17a ed.)
National Bureau of Economic Research, Inc ebrary, y Jonathan Gruber. Risky Behavior Among Youths: An Economic Analysis. Chicago: University of Chicago Press, 2001.
Cita MLA (9a ed.)
National Bureau of Economic Research, et al. Risky Behavior Among Youths: An Economic Analysis. University of Chicago Press, 2001.
Precaución: Estas citas no son 100% exactas.