@book { CitoyenSansPapiers,
    title = "Citoyen Sans-Papiers",
    subtitle = "Irreguläre MigrantInnen als politische AkteurInnen in Frankreich",
    author = "Katharina {Ludwig}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1104791"
}