APA (7th ed.) Citation

Murphy,Jill. (1988). The worst witch strikes again. Penguin group.

Chicago Style (17th ed.) Citation

Murphy,Jill. The Worst Witch Strikes Again. London: Penguin group, 1988.

MLA (9th ed.) Citation

Murphy,Jill. The Worst Witch Strikes Again. Penguin group, 1988.

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