APA (7th ed.) Citation

Blyton,Enid. (2004). The Secret Seven Adventure. Hodder Children's Books.

Chicago Style (17th ed.) Citation

Blyton,Enid. The Secret Seven Adventure. London: Hodder Children's Books, 2004.

MLA (9th ed.) Citation

Blyton,Enid. The Secret Seven Adventure. Hodder Children's Books, 2004.

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