Cita APA (7th ed.)

Poterba, J. M., & Samwick, A. A. (1997). Household portfolio allocation over the life cycle. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Poterba, James M., i Andrew A. Samwick. Household Portfolio Allocation over the Life Cycle. Cambridge, Mass: National Bureau of Economic Research, 1997.

Cita MLA (9th ed.)

Poterba, James M., i Andrew A. Samwick. Household Portfolio Allocation over the Life Cycle. National Bureau of Economic Research, 1997.