APA (7th ed.) Citation

Card, D. E., & DiNardo, J. E. (2002). Skill biased technological change and rising wage inequality: Some problems and puzzles. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Card, David E., and John Enrico DiNardo. Skill Biased Technological Change and Rising Wage Inequality: Some Problems and Puzzles. Cambridge, MA: National Bureau of Economic Research, 2002.

MLA (9th ed.) Citation

Card, David E., and John Enrico DiNardo. Skill Biased Technological Change and Rising Wage Inequality: Some Problems and Puzzles. National Bureau of Economic Research, 2002.