APA (7th ed.) Citation

Gébler, C. (1993). The witch that wasn't. Puffin Books.

Chicago Style (17th ed.) Citation

Gébler, Carlo. The Witch That Wasn't. London: Puffin Books, 1993.

MLA (9th ed.) Citation

Gébler, Carlo. The Witch That Wasn't. Puffin Books, 1993.

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