@book { MardergeschichtenFelixundFlo,
    title = "Mardergeschichten - Felix und Flo",
    author = "Stephan {Herrmann}",
    year = "2022",
    publisher = "Mardergeschichten.de",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1170571"
}