APA (7th ed.) Citation

Jill Murphy. (2004). The Worst Witch. Penquin Group.

Chicago Style (17th ed.) Citation

Jill Murphy. The Worst Witch. UK: Penquin Group, 2004.

MLA (9th ed.) Citation

Jill Murphy. The Worst Witch. Penquin Group, 2004.

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