APA (7th ed.) Citation

Francesca Simon & Tony Ross. (2002). Horrid Henry and the bogey babysitter (1st.). Orion Children's.

Chicago Style (17th ed.) Citation

Francesca Simon and Tony Ross. Horrid Henry and the Bogey Babysitter. 1st. London: Orion Children's, 2002.

MLA (9th ed.) Citation

Francesca Simon and Tony Ross. Horrid Henry and the Bogey Babysitter. 1st. Orion Children's, 2002.