APA (7th ed.) Citation

Colin. (1992). Number Nine. The Bodley Head Children 's Books.

Chicago Style (17th ed.) Citation

Colin. Number Nine. London: The Bodley Head Children 's Books, 1992.

MLA (9th ed.) Citation

Colin. Number Nine. The Bodley Head Children 's Books, 1992.

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