APA (7th ed.) Citation

Armentrout, J. L. (2012). Obsidian: A Lux novel. Entangled Teen.

Chicago Style (17th ed.) Citation

Armentrout, Jennifer L. Obsidian: A Lux Novel. Fort Collins, Colo.: Entangled Teen, 2012.

MLA (9th ed.) Citation

Armentrout, Jennifer L. Obsidian: A Lux Novel. Entangled Teen, 2012.