@book { KinderundMedienRisikenundChancen,
    title = "Kinder und Medien: Risiken und Chancen",
    author = "Anna Simona {Spänle}",
    year = "2015",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/297226"
}