APA (7th ed.) Citation

Simon, F. (2004). Horrid Henry's underpants (1. publ. in Great Britain in 2003, reprinted.). Dolphin Paperbacks.

Chicago Style (17th ed.) Citation

Simon, Francesca. Horrid Henry's Underpants. 1. publ. in Great Britain in 2003, reprinted. London: Dolphin Paperbacks, 2004.

MLA (9th ed.) Citation

Simon, Francesca. Horrid Henry's Underpants. 1. publ. in Great Britain in 2003, reprinted. Dolphin Paperbacks, 2004.