@book { HardboiledHollywood,
    title = "Hardboiled Hollywood",
    subtitle = "Traces of American Heroism and Cultural Change in the Portrayals of the Detective Hero in the Maltese Falcon and the Big Sleep",
    author = "Jan-Christoph {Prüfer}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/225248"
}