@book { DanOaklandStory04DerweisseBffel,
    title = "Dan Oakland Story 04: Der weisse Büffel",
    author = "U. H. {Wilken}",
    year = "2020",
    publisher = "Blitz-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1032466"
}