Cita APA (7a ed.)

Ward, R. (2010). Num8ers (1st American ed.). Chicken House, Scholastic.

Cita Chicago Style (17a ed.)

Ward, Rachel. Num8ers. 1st American ed. New York: Chicken House, Scholastic, 2010.

Cita MLA (9a ed.)

Ward, Rachel. Num8ers. 1st American ed. Chicken House, Scholastic, 2010.