@book { DerFremdeunddieKriegerinEgmontsReise,
    title = "Der Fremde und die Kriegerin: Egmonts Reise",
    author = "Elisabeth R. {Rudolph}",
    year = "2023",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1394955"
}