Cita APA (7a ed.)

Lewis, D. K. (1986). On the plurality of worlds (1a. ed.). Blackwell.

Cita Chicago Style (17a ed.)

Lewis, David Kellogg. On the Plurality of Worlds. 1a. ed. Nueva York: Blackwell, 1986.

Cita MLA (9a ed.)

Lewis, David Kellogg. On the Plurality of Worlds. 1a. ed. Blackwell, 1986.