Cita APA (7a ed.)

Anne Digby. (1999). The Naughtiest Girl keeps a secret. Hodder Children's Books.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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