APA (7th ed.) Citation

KINSELLA Sophie. (2006). Can you keep a secret?Sophie Kinsella. A Dell Book.

Chicago Style (17th ed.) Citation

KINSELLA Sophie. Can You Keep a Secret?Sophie Kinsella. New York: A Dell Book, 2006.

MLA (9th ed.) Citation

KINSELLA Sophie. Can You Keep a Secret?Sophie Kinsella. A Dell Book, 2006.

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