@book { DasHotelbeidenKlippen,
    title = "Das Hotel bei den Klippen",
    subtitle = "Roman",
    author = "Gillian {White} and Isabella {Bruckmaier}",
    year = "2016",
    publisher = "dotbooks Verlag",
    address = "München, Germany",
    url = "https://www.dotbooks.de/document/340902"
}