@book { MarcoPoloDerBesessene,
    title = "Marco Polo - Der Besessene",
    subtitle = "Historischer Roman | Die Geschichte des berühmten Abenteurers",
    author = "Gary {Jennings} and Werner {Peterich}",
    year = "2023",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/1189941"
}