@book { DieJungfraudesVampirknigs,
    title = "Die Jungfrau des Vampirkönigs",
    author = "T.S. {Ryder}",
    year = "2021",
    publisher = "Heartbeat Reads",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1031613"
}