APA Citation

Keene, C. (1994). The mystery of the 99 steps. New York: Grosset & Dunlap.

Chicago Style Citation

Keene, Carolyn. The Mystery of the 99 Steps. New York: Grosset & Dunlap, 1994.

MLA Citation

Keene, Carolyn. The Mystery of the 99 Steps. New York: Grosset & Dunlap, 1994.

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