APA Style

Keene, C., Pamintuan, M. (2006). Nancy Drew and the Clue Crew #4: the Cinderella Ballet Mystery . New York: Aladdin Paperbacks.

MLA Style

Keene, Carolyn., Pamintuan, Macky. "Nancy Drew and the Clue Crew #4: the Cinderella Ballet Mystery". New York: Aladdin Paperbacks, 2006. Text.