Cita APA (7a ed.)

Clark, W. R. (2002). A means to an end: The biological basis of aging and death. Oxford University Press.

Cita Chicago Style (17a ed.)

Clark, William R. A Means to an End: The Biological Basis of Aging and Death. New York ; Oxford: Oxford University Press, 2002.

Cita MLA (8a ed.)

Clark, William R. A Means to an End: The Biological Basis of Aging and Death. Oxford University Press, 2002.