APA (7th ed.) Citation

Blyton, E. (2004). The mystery of Spiteful letters. Dean.

Chicago Style (17th ed.) Citation

Blyton, Enid. The Mystery of Spiteful Letters. London: Dean, 2004.

MLA (9th ed.) Citation

Blyton, Enid. The Mystery of Spiteful Letters. Dean, 2004.

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