To cite planscorer in publications use:

Kenny C, Migurski M, McCartan C (2024). planscorer: Score Redistricting Plans with PlanScore. R package, https://christophertkenny.com/planscorer/.

Corresponding BibTeX entry:

  @Manual{planscorer,
    title = {{planscorer}: Score Redistricting Plans with PlanScore},
    author = {Christopher T. Kenny and Michal Migurski and Cory
      McCartan},
    year = {2024},
    note = {R package},
    url = {https://christophertkenny.com/planscorer/},
  }