APA (7th ed.) Citation

Goldin, C. D., & Katz, L. F. (1999). The returns to skill in the United States across the twentieth century. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Goldin, Claudia Dale, and Lawrence F. Katz. The Returns to Skill in the United States Across the Twentieth Century. Cambridge, MA: National Bureau of Economic Research, 1999.

MLA (9th ed.) Citation

Goldin, Claudia Dale, and Lawrence F. Katz. The Returns to Skill in the United States Across the Twentieth Century. National Bureau of Economic Research, 1999.