To cite package ‘cdtr’ in publications use:

  Sumner M (2026). _cdtr: Constrained Delaunay Triangulation with
  Refinement_. R package version 0.1.0,
  <https://github.com/hypertidy/cdtr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {cdtr: Constrained Delaunay Triangulation with Refinement},
    author = {Michael Sumner},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/hypertidy/cdtr},
  }