APA (7th ed.) Citation

Borsch-Supan, A., & Schnabel, R. (1997). Social security and retirement in Germany. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Borsch-Supan, Axel, and Reinhold Schnabel. Social Security and Retirement in Germany. Cambridge: National Bureau of Economic Research, 1997.

MLA (9th ed.) Citation

Borsch-Supan, Axel, and Reinhold Schnabel. Social Security and Retirement in Germany. National Bureau of Economic Research, 1997.