APA (7th ed.) Citation

Cressida Cowell. (2010). A Hero's Guide to Deadly Dragins. Hodder.

Chicago Style (17th ed.) Citation

Cressida Cowell. A Hero's Guide to Deadly Dragins. London: Hodder, 2010.

MLA (9th ed.) Citation

Cressida Cowell. A Hero's Guide to Deadly Dragins. Hodder, 2010.

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