APA (7th ed.) Citation

Enid Blyton. (2006). The Secret Seven. Hodder Children's.

Chicago Style (17th ed.) Citation

Enid Blyton. The Secret Seven. London: Hodder Children's, 2006.

MLA (9th ed.) Citation

Enid Blyton. The Secret Seven. Hodder Children's, 2006.

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