@book { WesternLegenden28SchwarzesGold,
    title = "Western Legenden 28: Schwarzes Gold",
    author = "R. S. {Stone}",
    year = "2020",
    publisher = "Blitz-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1003107"
}