APA Style

Digby, Anne. (1999). The Naughtiest Girl Keeps a Secret . : Hodder Children's Books.

Chicago Style

Digby, Anne. The Naughtiest Girl Keeps a Secret. : Hodder Children's Books, 1999. Text.

MLA Style

Digby, Anne. The Naughtiest Girl Keeps a Secret. : Hodder Children's Books, 1999. Text.

Turabian Style

Digby, Anne. The Naughtiest Girl Keeps a Secret. : Hodder Children's Books, 1999. Print.