APA (7th ed.) Citation

Simon, R., Simon, T. R., & Siegel, M. (2015). Oskar and the eight blessings. Roaring Brook Press.

Chicago Style (17th ed.) Citation

Simon, Richard, T. R. Simon, and Mark Siegel. Oskar and the Eight Blessings. New York: Roaring Brook Press, 2015.

MLA (9th ed.) Citation

Simon, Richard, et al. Oskar and the Eight Blessings. Roaring Brook Press, 2015.