APA (7th ed.) Citation

Simon, F. (2001). A Helping Of Horrid Henry. Orion Children's Books.

Chicago Style (17th ed.) Citation

Simon, Francesca. A Helping Of Horrid Henry. Britain: Orion Children's Books, 2001.

MLA (9th ed.) Citation

Simon, Francesca. A Helping Of Horrid Henry. Orion Children's Books, 2001.

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