@book { DieLeidenschaftdesWikingers,
    title = "Die Leidenschaft des Wikingers",
    subtitle = "Roman | Chains of Desire 4",
    author = "Susan {Hastings}",
    year = "2016",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/314062"
}