APA (7th ed.) Citation

Ryan, M. (2004). Abby: Confusion and catastrophe. Hodder childrens books.

Chicago Style (17th ed.) Citation

Ryan, Margaret. Abby: Confusion and Catastrophe. London: Hodder childrens books, 2004.

MLA (9th ed.) Citation

Ryan, Margaret. Abby: Confusion and Catastrophe. Hodder childrens books, 2004.

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