APA Citation

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

Chicago Style Citation

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

MLA Citation

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

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