Cita APA (7a ed.)

Plantinga, A. (1991). God, freedom and evil. Eerdmans.

Cita Chicago Style (17a ed.)

Plantinga, Alvin. God, Freedom and Evil. Grand Rapids: Eerdmans, 1991.

Cita MLA (9a ed.)

Plantinga, Alvin. God, Freedom and Evil. Eerdmans, 1991.