APA Style

Pilkey, D. (2012). Captain Underpants and the Terrifying Return of Tippy Tinkletrousers (9 ed.). New York: Scholastic Inc..

MLA Style

Pilkey, Dav. "Captain Underpants and the Terrifying Return of Tippy Tinkletrousers". 9 ed. New York: Scholastic Inc., 2012. Text.