Cita APA (7a ed.)

Samwick, A. A. (1998). New evidence on pensions, social security, and the timing of retirement. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Samwick, Andrew A. New Evidence on Pensions, Social Security, and the Timing of Retirement. Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Samwick, Andrew A. New Evidence on Pensions, Social Security, and the Timing of Retirement. National Bureau of Economic Research, 1998.