@book { RegencyNoblesDasGeheimnisdesEarlsBand1,
    title = "Regency Nobles: Das Geheimnis des Earls - Band 1",
    subtitle = "Roman",
    author = "Jane {Feather} and Jutta {Nickel}",
    year = "2021",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/1150023"
}