Reuterstrand, S., Romare, M., & Wik, J. (2012). Ellis is scared of the dark. Sky Pony Press.

Reuterstrand, Siri, Monika Romare, and Jenny Wik. Ellis Is Scared of the Dark. New York: Sky Pony Press, 2012.

Reuterstrand, Siri, et al. Ellis Is Scared of the Dark. Sky Pony Press, 2012.