APA (7th ed.) Citation

Simon, F. (2007). A Hat Trick of Horrid Henry. Orian publisher.

Chicago Style (17th ed.) Citation

Simon, Francesca. A Hat Trick of Horrid Henry. London: Orian publisher, 2007.

MLA (9th ed.) Citation

Simon, Francesca. A Hat Trick of Horrid Henry. Orian publisher, 2007.

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