APA Style

Blyton, Enid. (2015). The Mysteries Series: The Mystery of the Spiteful Letters . London: Egmont.

Chicago Style

Blyton, Enid. The Mysteries Series: The Mystery of the Spiteful Letters. London: Egmont, 2015. Text.

MLA Style

Blyton, Enid. The Mysteries Series: The Mystery of the Spiteful Letters. London: Egmont, 2015. Text.

Turabian Style

Blyton, Enid. The Mysteries Series: The Mystery of the Spiteful Letters. London: Egmont, 2015. Print.