APA (7th ed.) Citation

(2014). Hooray! there's a hipppopotamus on our roof having a birthday party (Paperback ed.). Puffin.

Chicago Style (17th ed.) Citation

Hooray! There's a Hipppopotamus on Our Roof Having a Birthday Party. Paperback ed. Melbourne, Victoria: Puffin, 2014.

MLA (9th ed.) Citation

Hooray! There's a Hipppopotamus on Our Roof Having a Birthday Party. Paperback ed. Puffin, 2014.