APA (7th ed.) Citation

Simon, F. (1998). Horrid Henry: Gets Rich Quick. Great Britain.

Chicago Style (17th ed.) Citation

Simon, Francesca. Horrid Henry: Gets Rich Quick. London: Great Britain, 1998.

MLA (9th ed.) Citation

Simon, Francesca. Horrid Henry: Gets Rich Quick. Great Britain, 1998.

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