APA

Pilkey D., . (2003). Captain Underpants and the big, bad battle of the bionic booger boy. : Blue Sky Press.

Chicago

Pilkey Dav, . 2003. Captain Underpants and the big, bad battle of the bionic booger boy. : Blue Sky Press.

Harvard

Pilkey D., . (2003). Captain Underpants and the big, bad battle of the bionic booger boy. : Blue Sky Press.

MLA

Pilkey Dav, . Captain Underpants and the big, bad battle of the bionic booger boy. : Blue Sky Press. 2003.