APA (7th ed.) Citation

Gräf, R., Neumann, C., Pieczynski, A., Wachowiak, J., & Röhl-Reintsch, S. (2013). P.S. Icestorm.

Chicago Style (17th ed.) Citation

Gräf, Roland, Claus Neumann, Andrzej Pieczynski, Jutta Wachowiak, and Sigrid Röhl-Reintsch. P.S. Berlin: Icestorm, 2013.

MLA (9th ed.) Citation

Gräf, Roland, et al. P.S. Icestorm, 2013.