@book { VegetarischgenieenbeiRheumaundGicht,
    title = "Vegetarisch genießen bei Rheuma und Gicht",
    author = "Sonja {Carlsson}",
    year = "2013",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403801"
}