APA (7th ed.) Citation

Pilkey,Dav. (2021). Captain Underpants and the terrifying return of Tippy Tinkletrousers: The ninth epic novel. Scholastic Singapore.

Chicago Style (17th ed.) Citation

Pilkey,Dav. Captain Underpants and the Terrifying Return of Tippy Tinkletrousers: The Ninth Epic Novel. Singapore: Scholastic Singapore, 2021.

MLA (9th ed.) Citation

Pilkey,Dav. Captain Underpants and the Terrifying Return of Tippy Tinkletrousers: The Ninth Epic Novel. Scholastic Singapore, 2021.

Warning: These citations may not always be 100% accurate.