@book { LambertiniunddieSchattendesVatikan,
    title = "Lambertini und die Schatten des Vatikan",
    author = "Nicholas {Lessing}",
    year = "2021",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/1061014"
}