APA (7th ed.) Citation

Keene, C. (1982). The Ringmaster's Secret. Armada.

Chicago Style (17th ed.) Citation

Keene, Carolyn. The Ringmaster's Secret. London: Armada, 1982.

MLA (9th ed.) Citation

Keene, Carolyn. The Ringmaster's Secret. Armada, 1982.

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