Rex, A. (2007). The true meaning of Smekday. Hyperion Books for Children.
Cita Chicago Style (17a ed.)Rex, Adam. The True Meaning of Smekday. New York: Hyperion Books for Children, 2007.
Cita MLA (8a ed.)Rex, Adam. The True Meaning of Smekday. Hyperion Books for Children, 2007.
Precaución: Estas citas no son 100% exactas.