APA Style

Diterlizzi, T., Black, H. (2004). The Spiderwick Chronicles: The Ironwood Tree (Book 4). USA: Scolastic Childrens Dictionary.

MLA Style

Diterlizzi, Tony., Black, Holly. "The Spiderwick Chronicles: The Ironwood Tree". Book 4 USA: Scolastic Childrens Dictionary, 2004. Text.