APA način citiranja (7. izdanje)
Clark, W. R. (2002). A means to an end: The biological basis of aging and death. Oxford University Press.
Čikaški stil citiranja (17. izdanje)
Clark, William R. A Means to an End: The Biological Basis of Aging and Death. New York ; Oxford: Oxford University Press, 2002.
MLA način citiranja (9. izdanje)
Clark, William R. A Means to an End: The Biological Basis of Aging and Death. Oxford University Press, 2002.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.