@book { ChildrenandYouthatRisk,
    title = "Children and Youth at Risk",
    subtitle = "Historical and International Perspectives",
    author = "Christine {Mayer} and Ingrid {Lohmann} and Ian {Grosvenor}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106577"
}