APA (7th ed.) Citation

Hofmann, T., Wangenheim, U., Holesch, D., Leininger, L., & Hahn, G. (2007). Easy. Nagel-Heyer.

Chicago Style (17th ed.) Citation

Hofmann, Tobi, Ulrich Wangenheim, Dieter Holesch, Ludwig Leininger, and Gabriel Hahn. Easy. [Hamburg]: Nagel-Heyer, 2007.

MLA (9th ed.) Citation

Hofmann, Tobi, et al. Easy. Nagel-Heyer, 2007.