APA Citation

Keene, C. (1997). The clue of the velvet mask. New York: Grosset & Dunlap.

Chicago Style Citation

Keene, Carolyn. The Clue of the Velvet Mask. New York: Grosset & Dunlap, 1997.

MLA Citation

Keene, Carolyn. The Clue of the Velvet Mask. New York: Grosset & Dunlap, 1997.

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