APA (7th ed.) Citation

Pilkey, D. (1999). Captain Underpants and the attack of the talking toilets. Blue Sky Press.

Chicago Style (17th ed.) Citation

Pilkey, Dav. Captain Underpants and the Attack of the Talking Toilets. New York: Blue Sky Press, 1999.

MLA (8th ed.) Citation

Pilkey, Dav. Captain Underpants and the Attack of the Talking Toilets. Blue Sky Press, 1999.

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