Card, O. S. (1991). Xenocide. Tor.
Cita Chicago (17th ed.)Card, Orson Scott. Xenocide. New York: Tor, 1991.
Cita MLA (9th ed.)Card, Orson Scott. Xenocide. Tor, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)