APA (7th ed.) Citation

Sand, E., & Razin, A. (2007). A political-economy positive role of the social security system in sustaining immigration (but not vice versa). National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Sand, Edith, and Asaf Razin. A Political-economy Positive Role of the Social Security System in Sustaining Immigration (but Not Vice Versa). Cambridge, Mass: National Bureau of Economic Research, 2007.

MLA (9th ed.) Citation

Sand, Edith, and Asaf Razin. A Political-economy Positive Role of the Social Security System in Sustaining Immigration (but Not Vice Versa). National Bureau of Economic Research, 2007.