@book { DasHerzdesEarls,
    title = "Das Herz des Earls",
    subtitle = "Regency Dukes | Band 1 – Eine Arranged Marriage Enemies to Lovers Romance",
    author = "Joan {Wolf} and Ingrid {Rothmann}",
    year = "2016",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/319864"
}