APA (7th ed.) Citation

BLYTON. (1999). The naughtiest girl is a monitor. Hodder Children's Books.

Chicago Style (17th ed.) Citation

BLYTON. The Naughtiest Girl Is a Monitor. London: Hodder Children's Books, 1999.

MLA (9th ed.) Citation

BLYTON. The Naughtiest Girl Is a Monitor. Hodder Children's Books, 1999.

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