The force of mortality at ages 80 to 120
MLA
Thatcher, A. R., Väinö. Kannisto and James W. Vaupel. The force of mortality at ages 80 to 120. [Odense] : Odense University Press, [1998]
APA
Thatcher, A., Kannisto, V. & Vaupel, J. (1998). The force of mortality at ages 80 to 120. [Odense] : Odense University Press.
Chicago
Thatcher, A. R., Väinö. Kannisto and James W. Vaupel. The force of mortality at ages 80 to 120. [Odense] : Odense University Press, [1998]