APA (7th ed.) Citation

Keene, C. (1956). The hidden window mystery. Grosset & Dunlap.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Keene, Carolyn. The Hidden Window Mystery. Grosset & Dunlap, 1956.

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