Cita APA (7a ed.)

Van Inwagen, P. (1990). Material beings. Cornell University Press.

Cita Chicago Style (17a ed.)

Van Inwagen, Peter. Material Beings. Ithaca, NY ; London: Cornell University Press, 1990.

Cita MLA (8a ed.)

Van Inwagen, Peter. Material Beings. Cornell University Press, 1990.