APA Style

Simon, Francesca. (2008). Horrid Henry birthday party . London: Orion Children\'s Books.

Chicago Style

Simon, Francesca. Horrid Henry birthday party. London: Orion Children\'s Books, 2008. Text.

MLA Style

Simon, Francesca. Horrid Henry birthday party. London: Orion Children\'s Books, 2008. Text.

Turabian Style

Simon, Francesca. Horrid Henry birthday party. London: Orion Children\'s Books, 2008. Print.