APA引文

Friedberg, L. (1998). The effect of old age assistance on retirement. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Friedberg, Leora. The Effect of Old Age Assistance on Retirement. Cambridge: National Bureau of Economic Research, 1998.

MLA引文

Friedberg, Leora. The Effect of Old Age Assistance on Retirement. National Bureau of Economic Research, 1998.