@book { GewaltgegenltereMenscheninderFamilie,
    title = "Gewalt gegen ältere Menschen in der Familie",
    author = "Jasmina {Hackl}",
    year = "2012",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/229241"
}