APA (7th ed.) Citation

Norriss, A. (2006). The unluckiest boy in the world. Puffin Books.

Chicago Style (17th ed.) Citation

Norriss, Andrew. The Unluckiest Boy in the World. London: Puffin Books, 2006.

MLA (9th ed.) Citation

Norriss, Andrew. The Unluckiest Boy in the World. Puffin Books, 2006.

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