APA (7th ed.) Citation

Cowell, C. (2012). How to break a dragon's heart (First U.S. trade paperback edition.). Little, Brown.

Chicago Style (17th ed.) Citation

Cowell, Cressida. How to Break a Dragon's Heart. First U.S. trade paperback edition. New York: Little, Brown, 2012.

MLA (8th ed.) Citation

Cowell, Cressida. How to Break a Dragon's Heart. First U.S. trade paperback edition. Little, Brown, 2012.

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