APA
Tuljapurkar S., Edwards Ryan D & National Bureau Of Economic Research. (2009). Variance in death and Its implications for modeling and rore. Cambridge: NBER.
Chicago
Tuljapurkar Shripad, Edwards Ryan D and National Bureau Of Economic Research. 2009. Variance in death and Its implications for modeling and rore. Cambridge: NBER.
Harvard
Tuljapurkar S., Edwards Ryan D and National Bureau Of Economic Research. (2009). Variance in death and Its implications for modeling and rore. Cambridge: NBER.
MLA
Tuljapurkar Shripad, Edwards Ryan D and National Bureau Of Economic Research. Variance in death and Its implications for modeling and rore. Cambridge: NBER. 2009.