APA Style

Poskitt, K. (2009). MURDEROUS MATHS: THE PHANTOM X (IT'S MATHS WITH THE LAUGHS ADDED IN!) . : Scholastic Childrens Books.

MLA Style

Poskitt, Kjartan. "MURDEROUS MATHS: THE PHANTOM X (IT'S MATHS WITH THE LAUGHS ADDED IN!)". : Scholastic Childrens Books, 2009. Text.