Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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