@book { DerHerzogunddieSchne,
    title = "Der Herzog und die Schöne",
    subtitle = "Roman",
    author = "Constance {Hall} and Britta {Evert}",
    year = "2019",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/463557"
}