@book { JedesKindkannsichbenehmen,
    title = "Jedes Kind kann sich benehmen",
    subtitle = "So lernen Ihre Kleinen gute Umgangsformen",
    author = "Nandine {Meyden}",
    year = "2010",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403446"
}