@book { DieGefangenedesFreibeuters,
    title = "Die Gefangene des Freibeuters",
    author = "Heather {Graham} and Eva {Malsch}",
    year = "2019",
    publisher = "venusbooks",
    address = "München, Deutschland",
    url = "https://m.venusbooks.de/document/492447"
}