APA (7th ed.) Citation

Julia Donaldson & Nick Sharratt. (2010). Hippo has a hat. Macmillan Children's Books.

Chicago Style (17th ed.) Citation

Julia Donaldson and Nick Sharratt. Hippo Has a Hat. London: Macmillan Children's Books, 2010.

MLA (9th ed.) Citation

Julia Donaldson and Nick Sharratt. Hippo Has a Hat. Macmillan Children's Books, 2010.

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