APA (7th ed.) Citation

Pilkey,Dav, & Title. (2019). Captain Underpants and the perilous plot of Professor Poopypants. Scholastic Singapore.

Chicago Style (17th ed.) Citation

Pilkey,Dav, and Title. Captain Underpants and the Perilous Plot of Professor Poopypants. Singapore: Scholastic Singapore, 2019.

MLA (9th ed.) Citation

Pilkey,Dav, and Title. Captain Underpants and the Perilous Plot of Professor Poopypants. Scholastic Singapore, 2019.

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