APA (7th ed.) Citation

Keene. (1956). The hidden window mystery. Grosset and Dunlap.

Chicago Style (17th ed.) Citation

Keene. The Hidden Window Mystery. New York: Grosset and Dunlap, 1956.

MLA (8th ed.) Citation

Keene. The Hidden Window Mystery. Grosset and Dunlap, 1956.

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