@book { DieHopfstdterSaga,
    title = "Die Hopfstädter-Saga",
    subtitle = "Der Geschmack der Freiheit",
    author = "Frida {Cordes}",
    year = "2024",
    publisher = "dp DIGITAL PUBLISHERS GmbH",
    address = "Stuttgart, Deutschland",
    url = "https://shop.digitalpublishers.de/document/1506268"
}