Cita APA (7a ed.)

National Bureau of Economic Research & Gruber, J. (2001). Risky behavior among youths: An economic analysis. Univ. of Chicago Press.

Cita Chicago Style (17a ed.)

National Bureau of Economic Research y Jonathan Gruber. Risky Behavior Among Youths: An Economic Analysis. Chicago [u.a.]: Univ. of Chicago Press, 2001.

Cita MLA (9a ed.)

National Bureau of Economic Research y Jonathan Gruber. Risky Behavior Among Youths: An Economic Analysis. Univ. of Chicago Press, 2001.