@book { LovecraftsSchriftendesGrauens23SchattenberHamburg,
    title = "Lovecrafts Schriften des Grauens 23: Schatten über Hamburg",
    author = "Michael {Buttler}",
    year = "2021",
    publisher = "Blitz-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1142479"
}