APA (7th ed.) Citation

Grimm & Helbrough. (2004). The twelve dancing princesses. Usborne Pub.

Chicago Style (17th ed.) Citation

Grimm and Helbrough. The Twelve Dancing Princesses. London: Usborne Pub, 2004.

MLA (8th ed.) Citation

Grimm and Helbrough. The Twelve Dancing Princesses. Usborne Pub, 2004.

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