Pilkey, D. (1999). Captain underpants and the invasion of the incredibly naughty cafeteria ladies from outer space (and the subsequent assault of the equally evil lunchroom zombie nerds) (Collectors' edition.). The Blue Sky Press.
Chicago Style (17th ed.) CitationPilkey, Dav. Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space (and the Subsequent Assault of the Equally Evil Lunchroom Zombie Nerds). Collectors' edition. New York: The Blue Sky Press, 1999.
MLA (9th ed.) CitationPilkey, Dav. Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space (and the Subsequent Assault of the Equally Evil Lunchroom Zombie Nerds). Collectors' edition. The Blue Sky Press, 1999.
Warning: These citations may not always be 100% accurate.