Cita APA (7a ed.)

O'Brien, J. A. (1946). Is the will free?: Light from modern science and philosophy. Paulist Press.

Cita Chicago Style (17a ed.)

O'Brien, John A. Is the Will Free?: Light from Modern Science and Philosophy. New York: Paulist Press, 1946.

Cita MLA (8a ed.)

O'Brien, John A. Is the Will Free?: Light from Modern Science and Philosophy. Paulist Press, 1946.