APA (7th ed.) Citation

Razin, A., Sadka, E., & Swagel, P. (2001). The aging population and the size of the welfare state. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Razin, Assaf, Efraim Sadka, and Phillip Swagel. The Aging Population and the Size of the Welfare State. Cambridge: National Bureau of Economic Research, 2001.

MLA (9th ed.) Citation

Razin, Assaf, et al. The Aging Population and the Size of the Welfare State. National Bureau of Economic Research, 2001.