APA (7th ed.) Citation

Keene. (1953). The ringmaster's secret. Grosset and Dunlap.

Chicago Style (17th ed.) Citation

Keene. The Ringmaster's Secret. New York: Grosset and Dunlap, 1953.

MLA (8th ed.) Citation

Keene. The Ringmaster's Secret. Grosset and Dunlap, 1953.

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