Sturmzeichen-Verlag. Was mir verblieb.
Citazione stile Chigago Style (17a edizione)Sturmzeichen-Verlag. Was Mir Verblieb. [Dortmund].
Citatione MLA (8a ed.)Sturmzeichen-Verlag. Was Mir Verblieb.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.