Cita APA (7a ed.)

Bernheim, B. D., Skinner, J., & Weinberg, S. (1997). What accounts for the variation in retirement wealth among U.S. households? National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Bernheim, B. Douglas, Jonathan Skinner, y Steven Weinberg. What Accounts for the Variation in Retirement Wealth Among U.S. Households? Cambridge, MA: National Bureau of Economic Research, 1997.

Cita MLA (9a ed.)

Bernheim, B. Douglas, et al. What Accounts for the Variation in Retirement Wealth Among U.S. Households? National Bureau of Economic Research, 1997.