Cita APA (7a ed.)

Costa, D. L. (2000). Understanding mid-life and older age mortality declines: Evidence from Union Army veterans. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Costa, Dora L. Understanding Mid-life and Older Age Mortality Declines: Evidence from Union Army Veterans. Cambridge, MA: National Bureau of Economic Research, 2000.

Cita MLA (9a ed.)

Costa, Dora L. Understanding Mid-life and Older Age Mortality Declines: Evidence from Union Army Veterans. National Bureau of Economic Research, 2000.