APA (7th ed.) Citation

Simon, F., & Williamson, P. (2012). Mr P's naughty book. Orion Children's Books.

Chicago Style (17th ed.) Citation

Simon, Francesca, and Pete Williamson. Mr P's Naughty Book. London: Orion Children's Books, 2012.

MLA (9th ed.) Citation

Simon, Francesca, and Pete Williamson. Mr P's Naughty Book. Orion Children's Books, 2012.