APA (7th ed.) Citation

Jill Murphy. (2013). The Worst Witch All at Sea. Puffin Books.

Chicago Style (17th ed.) Citation

Jill Murphy. The Worst Witch All at Sea. England: Puffin Books, 2013.

MLA (9th ed.) Citation

Jill Murphy. The Worst Witch All at Sea. Puffin Books, 2013.

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