To cite package ‘tissot’ in publications use:

Sumner M, Huber B (2026). tissot: Tissot Indicatrix for Map Projection Distortion. R package version 0.2.0, https://github.com/hypertidy/tissot.

Corresponding BibTeX entry:

  @Manual{,
    title = {tissot: Tissot Indicatrix for Map Projection Distortion},
    author = {Michael Sumner and Bill Huber},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://github.com/hypertidy/tissot},
  }