@book { ZehnTagediedieWelterschtterten,
    title = "Zehn Tage, die die Welt erschütterten",
    author = "John {Reed}",
    year = "2017",
    publisher = "MEHRING Verlag",
    address = "Essen, Deutschland",
    url = "https://mehring.openpublishing.com/document/355423"
}