@book { EinSchurkezurrechtenZeit,
    title = "Ein Schurke zur rechten Zeit",
    author = "Anne {Gracie} and Andrea {Härtel}",
    year = "2021",
    publisher = "dp DIGITAL PUBLISHERS GmbH",
    address = "Stuttgart, Deutschland",
    url = "https://shop.digitalpublishers.de/document/1139212"
}