APA (7th ed.) Citation

Cressida Cowell. (2011). How to Steal a Dragon's Sword. Hodder Children's Books.

Chicago Style (17th ed.) Citation

Cressida Cowell. How to Steal a Dragon's Sword. London: Hodder Children's Books, 2011.

MLA (9th ed.) Citation

Cressida Cowell. How to Steal a Dragon's Sword. Hodder Children's Books, 2011.

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