@misc{le-centre,
  title   = {Le Centre (Parti démocrate-chrétien, PDC)},
  author  = {Togni, Carola},
  year    = {2012},
  month   = {dec},
  url     = {https://www.histoiredelasecuritesociale.ch/articles/les-institutions/histoire-de-la-securite-sociale-partis-politiques/le-centre}
}