@book { Pflegendeundrzte,
    title = "Pflegende und Ärzte",
    author = "Anna {Mahnke} and Prof. Dr. Martina {Müller-Schilling}",
    year = "2020",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/932682"
}