Cita APA (7a ed.)

Cutler, D. M., & Meara, E. (2001). Changes in the age distribution of mortality over the 20th century. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Cutler, David M., y Ellen Meara. Changes in the Age Distribution of Mortality over the 20th Century. Cambridge, MA: National Bureau of Economic Research, 2001.

Cita MLA (9a ed.)

Cutler, David M., y Ellen Meara. Changes in the Age Distribution of Mortality over the 20th Century. National Bureau of Economic Research, 2001.