APA (7th ed.) Citation

Keene, C. (1973). The clue in the crumbling wall (22). Grosset & Dunlap.

Chicago Style (17th ed.) Citation

Keene, Carolyn. The Clue in the Crumbling Wall (22). New York: Grosset & Dunlap, 1973.

MLA (9th ed.) Citation

Keene, Carolyn. The Clue in the Crumbling Wall (22). Grosset & Dunlap, 1973.

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