@book { DergeheimeFaden,
    title = "Der geheime Faden",
    subtitle = "Historischer Roman",
    author = "Kylie {Fitzpatrick} and Adelheid {Zöfel}",
    year = "2025",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/1359574"
}