@book { DasgeheimeTorzumErfolg,
    title = "Das geheime Tor zum Erfolg",
    author = "Florence {Scovel Shinn} and Katrine {Hütterer}",
    year = "2022",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1254812"
}