APA (7th ed.) Citation

David Walliams. (2009). The boy in the dress (1st.). Harper collins.

Chicago Style (17th ed.) Citation

David Walliams. The Boy in the Dress. 1st. Great Britain: Harper collins, 2009.

MLA (9th ed.) Citation

David Walliams. The Boy in the Dress. 1st. Harper collins, 2009.

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