@book { RoncoDieTagebcher11PonyExpress,
    title = "Ronco - Die Tagebücher 11: Pony Express",
    author = "Dietmar {Kuegler}",
    year = "2020",
    publisher = "Blitz-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1005040"
}