Cita APA (7a ed.)

Card, O. S., Brick, S., & Rudnicki, S. (2007). A war of gifts: An Ender story. Audio Renaissance.

Cita Chicago Style (17a ed.)

Card, Orson Scott, Scott Brick, y Stefan Rudnicki. A War of Gifts: An Ender Story. New York: Audio Renaissance, 2007.

Cita MLA (8a ed.)

Card, Orson Scott, et al. A War of Gifts: An Ender Story. Audio Renaissance, 2007.

Precaución: Estas citas no son 100% exactas.