APA引文

Cowell, C. (2013). How to betray a dragon's hero: The heroic misadventures of Hiccup the viking (First U.S. edition.). Little, Brown and Company.

Chicago Style (17th ed.) Citation

Cowell, Cressida. How to Betray a Dragon's Hero: The Heroic Misadventures of Hiccup the Viking. First U.S. edition. New York ; Boston: Little, Brown and Company, 2013.

MLA引文

Cowell, Cressida. How to Betray a Dragon's Hero: The Heroic Misadventures of Hiccup the Viking. First U.S. edition. Little, Brown and Company, 2013.

警告：這些引文格式不一定是100％准確.