@book { DerbsesteJungederSchule,
    title = "Der böseste Junge der Schule",
    subtitle = "Roman",
    author = "Kirsten C. {Bergh}",
    year = "2016",
    publisher = "jumpbooks",
    address = "München, Deutschland",
    url = "https://www.jumpbooks.de/document/320333"
}