@book { DieWchtervonMagowIndenKlauendesGrauens,
    title = "Die Wächter von Magow: In den Klauen des Grauens",
    author = "Regina {Mars}",
    year = "2023",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1381925"
}