@book { DuncanSisters,
    title = "Duncan Sisters",
    subtitle = "Drei Romane im Sammelband: Ein Kuss für Lady Constance & Regency Nobles 1 & Regency Angels 1",
    author = "Jane {Feather} and Ingrid {Rothmann} and Jutta {Nickel} and Elke {Bartels}",
    year = "2024",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/1459112"
}