APA Citation

Armstrong, K. 1. (2011). Darkest powers: Trilogy (First paperback edition.). New York, NY: Harper.

Chicago Style Citation

Armstrong, Kelley 1968-. Darkest Powers: Trilogy. First paperback edition. New York, NY: Harper, 2011.

MLA Citation

Armstrong, Kelley 1968-. Darkest Powers: Trilogy. First paperback edition. New York, NY: Harper, 2011.

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