@book { HotGayRomance,
    title = "Hot Gay Romance",
    subtitle = "Sammelband - 6 Romane und Stories in einem E-Book",
    author = "Kai {Lindberg} and Paul {Klein}",
    year = "2019",
    publisher = "venusbooks",
    address = "München, Deutschland",
    url = "https://www.venusbooks.de/document/457784"
}