APA Style

The case of the groaning ghost. (2006). New York: Scholastic.

Chicago Style

The case of the groaning ghost. . New York: Scholastic, 2006. Text.

MLA Style

The case of the groaning ghost. . New York: Scholastic, 2006. Text.

Turabian Style

The case of the groaning ghost. New York: Scholastic, 2006. Print.