APA (7th ed.) Citation

Culter, D. M. (1999). The concentration of medical spending: An update. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Culter, David M. The Concentration of Medical Spending: An Update. Cambridge: National Bureau of Economic Research, 1999.

MLA (9th ed.) Citation

Culter, David M. The Concentration of Medical Spending: An Update. National Bureau of Economic Research, 1999.