Cita APA (7a ed.)

Cameron, S. V., & Heckman, J. J. (1999). The dynamics of educational attainment for blacks, hispanics and whites. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Cameron, Stephen V., y James Joseph Heckman. The Dynamics of Educational Attainment for Blacks, Hispanics and Whites. Cambridge, MA: National Bureau of Economic Research, 1999.

Cita MLA (9a ed.)

Cameron, Stephen V., y James Joseph Heckman. The Dynamics of Educational Attainment for Blacks, Hispanics and Whites. National Bureau of Economic Research, 1999.