To cite redist in publications use:

Ben Fifield, Alexander Tarr, Michael Higgins, and Kosuke Imai (2016). redist: Markov Chain Monte Carlo Methods for Redistricting Simulation. Available at The Comprehensive R Archive Network (CRAN). URL https://CRAN.R-project.org/package=redist.

Corresponding BibTeX entry:

  @Misc{,
    title = {{redist}: Markov Chain Monte Carlo Methods for
      Redistricting Simulation},
    author = {Ben Fifield and Alexander Tarr and Michael Higgins and
      Kosuke Imai},
    howpublished = {Available at The Comprehensive R Archive Network
      (CRAN)},
    year = {2016},
    url = {https://CRAN.R-project.org/package=redist},
  }