APA
Snyder S. E., Evans William N & National Bureau Of Economic Research. (2002). The impact of income on mortality: Evidence from the social security notch. Cambridge, MA: NBER.
Chicago
Snyder Stephen E, Evans William N and National Bureau Of Economic Research. 2002. The impact of income on mortality: Evidence from the social security notch. Cambridge, MA: NBER.
Harvard
Snyder S. E., Evans William N and National Bureau Of Economic Research. (2002). The impact of income on mortality: Evidence from the social security notch. Cambridge, MA: NBER.
MLA
Snyder Stephen E, Evans William N and National Bureau Of Economic Research. The impact of income on mortality: Evidence from the social security notch. Cambridge, MA: NBER. 2002.