@book { DieBrautdesFrsten,
    title = "Die Braut des Fürsten",
    subtitle = "Roman",
    author = "Joan {Wolf} and Eva {Hoffmann}",
    year = "2016",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/319878"
}