Card, O. S., & Brick, S. (2007). Pastwatch: The redemption of christopher columbus (Unabridged.). Blackstone Audio, Inc., and Buck 50 Productions, LLC.
Cita Chicago Style (17a ed.)Card, Orson Scott, y Scott Brick. Pastwatch: The Redemption of Christopher Columbus. Unabridged. Ashland: Blackstone Audio, Inc., and Buck 50 Productions, LLC, 2007.
Cita MLA (8a ed.)Card, Orson Scott, y Scott Brick. Pastwatch: The Redemption of Christopher Columbus. Unabridged. Blackstone Audio, Inc., and Buck 50 Productions, LLC, 2007.
Precaución: Estas citas no son 100% exactas.