Cita APA (7a ed.)

Walls, J. L. (2002). Heaven: The logic of eternal joy. Oxford University Press.

Cita Chicago Style (17a ed.)

Walls, Jerry L. Heaven: The Logic of Eternal Joy. Oxford: Oxford University Press, 2002.

Cita MLA (9a ed.)

Walls, Jerry L. Heaven: The Logic of Eternal Joy. Oxford University Press, 2002.