To cite package ‘votesys’ in publications use:

  Wu J (2018). _votesys: Voting Systems, Instant-Runoff Voting, Borda
  Method, Various Condorcet Methods_. R package version 0.1.1,
  <https://CRAN.R-project.org/package=votesys>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {votesys: Voting Systems, Instant-Runoff Voting, Borda Method, Various
Condorcet Methods},
    author = {Jiang Wu},
    year = {2018},
    note = {R package version 0.1.1},
    url = {https://CRAN.R-project.org/package=votesys},
  }