Style de citation APA (7e éd.)

Medina, J. (1996). The clock of ages: Why we age--how we age--winding back the clock. Cambridge University Press.

Style de citation Chicago (17e éd.)

Medina, John. The Clock of Ages: Why We Age--how We Age--winding Back the Clock. Cambridge ; New York: Cambridge University Press, 1996.

Style de citation MLA (8e éd.)

Medina, John. The Clock of Ages: Why We Age--how We Age--winding Back the Clock. Cambridge University Press, 1996.