@book { DiepolitischeUnPerson,
    title = "Die politische (Un-)Person",
    subtitle = "Politisches Denken am Übergang vom Jugendlichen zum Erwachsenen",
    author = "Thomas {Link}",
    year = "1999",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1088246"
}