APA (7th ed.) Citation

Preller, J., & Alley, R. W. (1998). The case of the Christmas snowman. Scholastic.

Chicago Style (17th ed.) Citation

Preller, James, and R. W. Alley. The Case of the Christmas Snowman. New York: Scholastic, 1998.

MLA (8th ed.) Citation

Preller, James, and R. W. Alley. The Case of the Christmas Snowman. Scholastic, 1998.

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