APA (7th ed.) Citation

Card, O. S. (1991). Xenocide (1st trade ed.). Tom Doherty Associates.

Chicago Style (17th ed.) Citation

Card, Orson Scott. Xenocide. 1st trade ed. New York: Tom Doherty Associates, 1991.

MLA (9th ed.) Citation

Card, Orson Scott. Xenocide. 1st trade ed. Tom Doherty Associates, 1991.

Warning: These citations may not always be 100% accurate.