@book { DiabetesKochbuchRatgeber,
    title = "Diabetes Kochbuch & Ratgeber",
    author = "Magische {Pfanne} and Julian {Überberg}",
    year = "2021",
    publisher = "Magische Pfanne",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1014143"
}