APA (7th ed.) Citation

Van Inwagen, P. (2002). Metaphysics: The big questions (2nd ed.). Westview Press.

Chicago Style (17th ed.) Citation

Van Inwagen, Peter. Metaphysics: The Big Questions. 2nd ed. Oxford: Westview Press, 2002.

MLA (9th ed.) Citation

Van Inwagen, Peter. Metaphysics: The Big Questions. 2nd ed. Westview Press, 2002.