@misc{Hettling2015,
  author    = {Manfred Hettling},
  title     = {B{\"u}rger, B{\"u}rgertum, B{\"u}rgerlichkeit},
  doi       = {10.14765/zzf.dok.2.111.v1},
  url       = {http://docupedia.de/zg/B{\"u}rger_Version_1_Manfred_Hettling},
  type      = {webpublication},
  year        = {2015},
}