Claudia & Karl

MLA

Osterkorn, Thomas, and Andreas Petzold. Claudia & Karl. Hamburg: Stern Gruner, 2010.

APA

Osterkorn, T., & Petzold, A. (2010). Claudia & Karl. Hamburg: Stern Gruner.

Chicago

Osterkorn, Thomas, and Andreas Petzold. Claudia & Karl. Hamburg: Stern Gruner, 2010.