APA (7th ed.) Citation

Enid Blyton. (1943). The Mystery of the Hidden House. Hodder Children's Books.

Chicago Style (17th ed.) Citation

Enid Blyton. The Mystery of the Hidden House. Great Britain: Hodder Children's Books, 1943.

MLA (9th ed.) Citation

Enid Blyton. The Mystery of the Hidden House. Hodder Children's Books, 1943.

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