@book { DarkWiccaUnheimlicheBrut,
    title = "Dark Wicca: Unheimliche Brut",
    author = "Anna {Yorck}",
    year = "2022",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1278117"
}