APA (7th ed.) Citation

Keene. (1952). Mystery at the ski jump. Grosset and Dunlap.

Chicago Style (17th ed.) Citation

Keene. Mystery at the Ski Jump. New York: Grosset and Dunlap, 1952.

MLA (8th ed.) Citation

Keene. Mystery at the Ski Jump. Grosset and Dunlap, 1952.

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