@book { EndstationDemenzWG,
    title = "Endstation Demenz-WG?",
    subtitle = "Zwei Jahre als Pflegehelferin",
    author = " {Anonyma}",
    year = "2014",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403825"
}