Cita APA (7a ed.)

Thorpe, W. H. (1978). Purpose in a world of chance: A biologist's view. Oxford University Press.

Cita Chicago Style (17a ed.)

Thorpe, W. H. Purpose in a World of Chance: A Biologist's View. Oxford ; London ; New York: Oxford University Press, 1978.

Cita MLA (9a ed.)

Thorpe, W. H. Purpose in a World of Chance: A Biologist's View. Oxford University Press, 1978.