Cita APA (7a ed.)

Kotlikoff, L. J. (1998). The A-K model: Its past, present, and future. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Kotlikoff, Laurence J. The A-K Model: Its Past, Present, and Future. Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Kotlikoff, Laurence J. The A-K Model: Its Past, Present, and Future. National Bureau of Economic Research, 1998.