APA

Abbott T., Jessell T. & Merrell D. (2007). Pirates of the Purple dawn. New York: Scholastic.

Chicago

Abbott Tony, Jessell Tim and Merrell David. 2007. Pirates of the Purple dawn. New York: Scholastic.

Harvard

Abbott T., Jessell T. and Merrell D. (2007). Pirates of the Purple dawn. New York: Scholastic.

MLA

Abbott Tony, Jessell Tim and Merrell David. Pirates of the Purple dawn. New York: Scholastic. 2007.