APA (7th ed.) Citation

Darby, M. R., & Zucker, L. G. (2006). Innovation, competition, and welfare-enhancing monopoly. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Darby, Michael R., and Lynne G. Zucker. Innovation, Competition, and Welfare-enhancing Monopoly. Cambridge, Mass: National Bureau of Economic Research, 2006.

MLA (9th ed.) Citation

Darby, Michael R., and Lynne G. Zucker. Innovation, Competition, and Welfare-enhancing Monopoly. National Bureau of Economic Research, 2006.