Cita APA (7a ed.)

Betts, J. R., & Lofstrom, M. (1998). The educational attainment of immigrants: Trends and implications. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Betts, Julian R., y Magnus Lofstrom. The Educational Attainment of Immigrants: Trends and Implications. Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Betts, Julian R., y Magnus Lofstrom. The Educational Attainment of Immigrants: Trends and Implications. National Bureau of Economic Research, 1998.