APA (7th ed.) Citation

Lewis, D. K., & Lewis, D. (1987). On the plurality of worlds (Repr.). Blackwell.

Chicago Style (17th ed.) Citation

Lewis, David K., and David Lewis. On the Plurality of Worlds. Repr. Oxford New York, NY: Blackwell, 1987.

MLA (8th ed.) Citation

Lewis, David K., and David Lewis. On the Plurality of Worlds. Repr. Blackwell, 1987.