@book { EthendiDerdunklePakt,
    title = "Ethendi - Der dunkle Pakt",
    author = "Michael S. V. {Preis}",
    year = "2018",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1011221"
}