APA (7th ed.) Citation

Van Inwagen, P. (2015). Metaphysics (4. ed.). Westview Press.

Chicago Style (17th ed.) Citation

Van Inwagen, Peter. Metaphysics. 4. ed. Boulder, CO: Westview Press, 2015.

MLA (9th ed.) Citation

Van Inwagen, Peter. Metaphysics. 4. ed. Westview Press, 2015.