APA (7th ed.) Citation

Card, O. S. (1991). Ender's game ([Rev. ed.].). Tor.

Chicago Style (17th ed.) Citation

Card, Orson Scott. Ender's Game. [Rev. ed.]. New York: Tor, 1991.

MLA (8th ed.) Citation

Card, Orson Scott. Ender's Game. [Rev. ed.]. Tor, 1991.

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