Black, H., Clare, C., & Fischer, S. M. (2015). The copper gauntlet / 2. Scholastic Inc..
Chicago Style (17th ed.) CitationBlack, Holly, Cassandra Clare, and Scott M. Fischer. The Copper Gauntlet / 2. New York, NY: Scholastic Inc., 2015.
MLA (8th ed.) CitationBlack, Holly, et al. The Copper Gauntlet / 2. Scholastic Inc., 2015.
Warning: These citations may not always be 100% accurate.