@book { DieSchwarzeFledermaus37BunteSteine,
    title = "Die Schwarze Fledermaus 37: Bunte Steine",
    author = "G. W. {Jones}",
    year = "2021",
    publisher = "Blitz-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1021539"
}