APA (7th ed.) Citation

Kopp G. Gabriele & Büttner S. Siegfried. (2012). Planet 1. Deutsch fur Jugendliche A1: Kursbuch. Ismaning, Hueber Verlag, 2012.

Chicago Style (17th ed.) Citation

Kopp G. Gabriele and Büttner S. Siegfried. Planet 1. Deutsch Fur Jugendliche A1: Kursbuch. Ismaning, Hueber Verlag, 2012, 2012.

MLA (9th ed.) Citation

Kopp G. Gabriele and Büttner S. Siegfried. Planet 1. Deutsch Fur Jugendliche A1: Kursbuch. Ismaning, Hueber Verlag, 2012, 2012.

Warning: These citations may not always be 100% accurate.