@misc{jad-parti-socialiste-suisse,
  title   = {{Parti socialiste suisse}},
  author  = {},
  year    = {},
  month   = {},
  url     = {https://www.histoiredelasecuritesociale.ch/artikel/rxz-les-institutions/dvv-histoire-de-la-securite-sociale-partis-politiques/jad-parti-socialiste-suisse}
}