APA (7th ed.) Citation

Card, O. S. (1994). Ender's game (Revised mass market edition.). AUWSF (009474, 009724).

Chicago Style (17th ed.) Citation

Card, Orson Scott. Ender's Game. Revised mass market edition. New York: AUWSF (009474, 009724), 1994.

MLA (9th ed.) Citation

Card, Orson Scott. Ender's Game. Revised mass market edition. AUWSF (009474, 009724), 1994.

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