@book { SozialeArbeitinGesellschaft,
    title = "Soziale Arbeit in Gesellschaft",
    author = "Bernhard {Haupert} and Susanne {Maurer} and Sigrid {Schilling} and Franz {Schultheis}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0402-8",
    url = "https://www.peterlang.com/document/1052826"
}