APA (7th ed.) Citation

Blyton. (2003). The mystery of the strange messages. Egmont Books.

Chicago Style (17th ed.) Citation

Blyton. The Mystery of the Strange Messages. London: Egmont Books, 2003.

MLA (8th ed.) Citation

Blyton. The Mystery of the Strange Messages. Egmont Books, 2003.

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