@book { FragdichinFhrung,
    title = "Frag dich in Führung",
    author = "Ines {Bruckschen} and Svenja {Op gen Oorth}",
    year = "2021",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1221393"
}