Cita APA (7a ed.)
ebrary, Inc, Abowd, J. M., & Freeman, R. B. (1991). Immigration, trade, and the labor market. University of Chicago Press.
Cita Chicago Style (17a ed.)
ebrary, Inc, John M. Abowd, y Richard B. Freeman. Immigration, Trade, and the Labor Market. Chicago: University of Chicago Press, 1991.
Cita MLA (9a ed.)
ebrary, Inc, et al. Immigration, Trade, and the Labor Market. University of Chicago Press, 1991.
Precaución: Estas citas no son 100% exactas.