Cita APA (7a ed.)

Feldstein, M. S., & Ranguelova, E. (2000). Accumulated pension collars: A market approach to reducing the risk of investment-based social security reform. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Feldstein, Martin S., y Elena Ranguelova. Accumulated Pension Collars: A Market Approach to Reducing the Risk of Investment-based Social Security Reform. Cambridge, MA: National Bureau of Economic Research, 2000.

Cita MLA (9a ed.)

Feldstein, Martin S., y Elena Ranguelova. Accumulated Pension Collars: A Market Approach to Reducing the Risk of Investment-based Social Security Reform. National Bureau of Economic Research, 2000.