Muddle Earth /
Paul Stewart & Chris Riddell.
APA Citation
Stewart, P., Riddell, C. (2007). Muddle Earth. New York: Delacorte Press.
MLA Citation
Stewart, Paul, 1955-, and Chris Riddell. Muddle Earth. New York: Delacorte Press, 2007.
Warning: These citations may not always be complete (especially for serials).