APA Style

Pilkey, D. (2021). Captain Underpants #9 : Captain Underpants and the Terrifying Re-Turn of Tippy Tinkletrousers (Full Color) . New York, USA: Scholastic Inc.

MLA Style

Pilkey, Dav. "Captain Underpants #9 : Captain Underpants and the Terrifying Re-Turn of Tippy Tinkletrousers (Full Color)". New York, USA: Scholastic Inc, 2021. Printed Book.