Cita APA (7a ed.)

Card, O. S. (1996). Earthborn. A Tom Doherty Associates Book.

Cita Chicago Style (17a ed.)

Card, Orson Scott. Earthborn. New York: A Tom Doherty Associates Book, 1996.

Cita MLA (9a ed.)

Card, Orson Scott. Earthborn. A Tom Doherty Associates Book, 1996.