To cite package ‘swissparl’ in publications use:

Zumbach D (2026). swissparl: Interface to Swiss Parliament Web Services and the 'OpenParlData' API. R package version 0.3.0, https://github.com/zumbov2/swissparl.

Corresponding BibTeX entry:

  @Manual{,
    title = {swissparl: Interface to Swiss Parliament Web Services and
      the 'OpenParlData' API},
    author = {David Zumbach},
    year = {2026},
    note = {R package version 0.3.0},
    url = {https://github.com/zumbov2/swissparl},
  }