APA (7th ed.) Citation

(2015). The worm who knew karate (1. publ.). Penguin / Viking.

Chicago Style (17th ed.) Citation

The Worm Who Knew Karate. 1. publ. [Melbourne u.a.]: Penguin / Viking, 2015.

MLA (9th ed.) Citation

The Worm Who Knew Karate. 1. publ. Penguin / Viking, 2015.

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