@book { MerryWitchMas,
    title = "Merry WitchMas",
    subtitle = "booksnacks (Kurzgeschichte, Fantasy)",
    author = "Nadin {Hardwiger}",
    year = "2016",
    publisher = "dp DIGITAL PUBLISHERS GmbH",
    address = "Stuttgart, Deutschland",
    url = "https://shop.digitalpublishers.de/document/343672"
}