@book { DiePflegedesMenschenimAlter,
    title = "Die Pflege des Menschen im Alter",
    author = "Mechthild {Seel} and Elke {Hurling}",
    year = "2010",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403645"
}