APA (7th ed.) Citation

Stewart, P., & Riddell, C. (2004). Midnight over Sanctaphrax (1st American ed.). David Fickling Books.

Chicago Style (17th ed.) Citation

Stewart, Paul, and Chris Riddell. Midnight over Sanctaphrax. 1st American ed. Oxford ; New York: David Fickling Books, 2004.

MLA (9th ed.) Citation

Stewart, Paul, and Chris Riddell. Midnight over Sanctaphrax. 1st American ed. David Fickling Books, 2004.