Cita APA (7a ed.)

Sinn, H. (1999). The crisis in Germany's pension insurance system and how it can be resolved. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Sinn, Hans-Werner. The Crisis in Germany's Pension Insurance System and How It Can Be Resolved. Cambridge, MA: National Bureau of Economic Research, 1999.

Cita MLA (9a ed.)

Sinn, Hans-Werner. The Crisis in Germany's Pension Insurance System and How It Can Be Resolved. National Bureau of Economic Research, 1999.