APA (7th ed.) Citation

Moss, H. (2011). The mystery of the missing masterpiece. Orion Children's Books.

Chicago Style (17th ed.) Citation

Moss, Helen. The Mystery of the Missing Masterpiece. London: Orion Children's Books, 2011.

MLA (9th ed.) Citation

Moss, Helen. The Mystery of the Missing Masterpiece. Orion Children's Books, 2011.