@book { WerglaubtschonanWeihnachtswunder,
    title = "Wer glaubt schon an Weihnachtswunder?",
    author = "Mara {Waldhoven}",
    year = "2023",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1431320"
}