APA (7th ed.) Citation

Kopp G. Gabriele, Buttner S. Siegfried, & Alberti J. Josef. (2007). Planet 3: Kursbuch. Munchen, Hueber Verlag, 2007.

Chicago Style (17th ed.) Citation

Kopp G. Gabriele, Buttner S. Siegfried, and Alberti J. Josef. Planet 3: Kursbuch. Munchen, Hueber Verlag, 2007, 2007.

MLA (9th ed.) Citation

Kopp G. Gabriele, et al. Planet 3: Kursbuch. Munchen, Hueber Verlag, 2007, 2007.