Cita APA (7a ed.)

Inwagen, P. V. (1986). An essay on free will (Repint.(new as pbk.).). Clarendon Press.

Cita Chicago Style (17a ed.)

Inwagen, Peter Van. An Essay on Free Will. Repint.(new as pbk.). Oxford: Clarendon Press, 1986.

Cita MLA (9a ed.)

Inwagen, Peter Van. An Essay on Free Will. Repint.(new as pbk.). Clarendon Press, 1986.