@book { DieerfolgreicheStationsleitung,
    title = "Die erfolgreiche Stationsleitung",
    author = "Karla {Kämmer}",
    year = "2020",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/541810"
}