APA (7th ed.) Citation

Matt Kain. (2009). The Purple Sluggy Worry Warts (1st.). Macmillan Children's Book.

Chicago Style (17th ed.) Citation

Matt Kain. The Purple Sluggy Worry Warts. 1st. UK: Macmillan Children's Book, 2009.

MLA (9th ed.) Citation

Matt Kain. The Purple Sluggy Worry Warts. 1st. Macmillan Children's Book, 2009.

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