Cita APA (7a ed.)

Heckman, J. J., Lochner, L., & Taber, C. (1998). Tax policy and human capital formation. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Heckman, James Joseph, Lance Lochner, y Christopher Taber. Tax Policy and Human Capital Formation. Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Heckman, James Joseph, et al. Tax Policy and Human Capital Formation. National Bureau of Economic Research, 1998.