APA (7th ed.) Citation

Cooper, H. (2017). The hippo at the end of the hall. David Fickling Books.

Chicago Style (17th ed.) Citation

Cooper, Helen. The Hippo at the End of the Hall. Oxford: David Fickling Books, 2017.

MLA (9th ed.) Citation

Cooper, Helen. The Hippo at the End of the Hall. David Fickling Books, 2017.

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