APA (7th ed.) Citation

Ryan, M. (2007). Abby: Madness and mayhem. Hodder childrens books.

Chicago Style (17th ed.) Citation

Ryan, Margaret. Abby: Madness and Mayhem. London: Hodder childrens books, 2007.

MLA (9th ed.) Citation

Ryan, Margaret. Abby: Madness and Mayhem. Hodder childrens books, 2007.

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