APA (7th ed.) Citation

Stewart, P., & Riddell, C. (2004). Muddle earth / Paul Stewart and Chris Riddell. Macmillan Children's.

Chicago Style (17th ed.) Citation

Stewart, Paul, and Chris Riddell. Muddle Earth / Paul Stewart and Chris Riddell. London: Macmillan Children's, 2004.

MLA (9th ed.) Citation

Stewart, Paul, and Chris Riddell. Muddle Earth / Paul Stewart and Chris Riddell. Macmillan Children's, 2004.

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