APA (7th ed.) Citation

Cowell, C. (2010). How to train your dragon (1st U.S. ed.). Little, Brown.

Chicago Style (17th ed.) Citation

Cowell, Cressida. How to Train Your Dragon. 1st U.S. ed. New York: Little, Brown, 2010.

MLA (8th ed.) Citation

Cowell, Cressida. How to Train Your Dragon. 1st U.S. ed. Little, Brown, 2010.

Warning: These citations may not always be 100% accurate.