To cite package ‘manifestoR’ in publications use:

Lewandowski J, Merz N (2018). manifestoR: Access and Process Data and Documents of the Manifesto Project. R package version 1.3.0, https://github.com/manifestoproject/manifestor.

Corresponding BibTeX entry:

  @Manual{,
    title = {manifestoR: Access and Process Data and Documents of the
      Manifesto Project},
    author = {Jirka Lewandowski and Nicolas Merz},
    year = {2018},
    note = {R package version 1.3.0},
    url = {https://github.com/manifestoproject/manifestor},
  }