@book { GuteArbeit,
    title = "Gute Arbeit!",
    subtitle = "Eine Anstiftung zur Selbstwirksamkeit",
    author = "Marion {King}",
    year = "2024",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1547351"
}