Cita APA (7a ed.)

Garber, A. M., MaCurdy, T. E., & McClellan, M. C. (1997). Persistence of Medicare expenditures among elderly beneficiaries. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Garber, Alan M., Thomas E. MaCurdy, y Mark C. McClellan. Persistence of Medicare Expenditures Among Elderly Beneficiaries. Cambridge, MA: National Bureau of Economic Research, 1997.

Cita MLA (9a ed.)

Garber, Alan M., et al. Persistence of Medicare Expenditures Among Elderly Beneficiaries. National Bureau of Economic Research, 1997.