APA (7th ed.) Citation

Hopgood, T. (2011). Unpoppable (1. publ.). Macmillan Children's Books.

Chicago Style (17th ed.) Citation

Hopgood, Tim. Unpoppable. 1. publ. London: Macmillan Children's Books, 2011.

MLA (9th ed.) Citation

Hopgood, Tim. Unpoppable. 1. publ. Macmillan Children's Books, 2011.

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