APA (7th ed.) Citation

Simon, F. (2010). Horrid Henry Rocks. Orion House.

Chicago Style (17th ed.) Citation

Simon, Francesca. Horrid Henry Rocks. London: Orion House, 2010.

MLA (9th ed.) Citation

Simon, Francesca. Horrid Henry Rocks. Orion House, 2010.

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