Wolf, K., Hilts, B., & Hilts, S. (2012). The Insomniacs. G. P. Putnam's Sons.

Wolf, Karina, Ben Hilts, and Sean Hilts. The Insomniacs. New York: G. P. Putnam's Sons, 2012.

Wolf, Karina, et al. The Insomniacs. G. P. Putnam's Sons, 2012.