@book { DerRitterunddiestolzeLady,
    title = "Der Ritter und die stolze Lady",
    author = "Constance {Hall} and Britta {Evert}",
    year = "2019",
    publisher = "venusbooks",
    address = "München, Deutschland",
    url = "https://m.venusbooks.de/document/465685"
}