APA (7th ed.) Citation

Spencer, P., & Butcher, J. (2015). The realm of Alera and the barbarian lands (Double signed.). [www.theninemuses.net].

Chicago Style (17th ed.) Citation

Spencer, Priscilla, and Jim Butcher. The Realm of Alera and the Barbarian Lands. Double signed. [United States]: [www.theninemuses.net], 2015.

MLA (9th ed.) Citation

Spencer, Priscilla, and Jim Butcher. The Realm of Alera and the Barbarian Lands. Double signed. [www.theninemuses.net], 2015.