APA引文

Discovery Channel (Firm), Image Entertainment (Firm), & Indusfilms. (2009). Toughest race on Earth: Iditarod (Widescreen ed.). Distributed by Image Entertainment.

Chicago Style (17th ed.) Citation

Discovery Channel (Firm), Image Entertainment (Firm), and Indusfilms. Toughest Race on Earth: Iditarod. Widescreen ed. Chatsworth, Calif.: Distributed by Image Entertainment, 2009.

MLA引文

Discovery Channel (Firm), et al. Toughest Race on Earth: Iditarod. Widescreen ed. Distributed by Image Entertainment, 2009.

警告：這些引文格式不一定是100％准確.