APA Style

Poskitt, K. (2008). Murderous Maths : guaranteed to smash your mind ; it's maths with the laughs added in ! . London: Scholastic Inc..

MLA Style

Poskitt, Kjartan. "Murderous Maths : guaranteed to smash your mind ; it's maths with the laughs added in !". London: Scholastic Inc., 2008. Text.