@book { RosenkriegmitGinTonic,
    title = "Rosenkrieg mit Gin Tonic",
    author = "Wolfgang {Breitkopf}",
    year = "2023",
    publisher = "LeuchtWort Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1356172"
}