APA (7th ed.) Citation

Simon, F., & Ross, T. (2009). Horrid Henry and the scary sitter. Sourcebooks Jabberwocky.

Chicago Style (17th ed.) Citation

Simon, Francesca, and Tony Ross. Horrid Henry and the Scary Sitter. Naperville, Ill.: Sourcebooks Jabberwocky, 2009.

MLA (8th ed.) Citation

Simon, Francesca, and Tony Ross. Horrid Henry and the Scary Sitter. Sourcebooks Jabberwocky, 2009.

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