To cite package ‘geometry’ in publications use:

  Habel K, Grasman R, Gramacy R, Mozharovskyi P, Sterratt D (2025).
  _geometry: Mesh Generation and Surface Tessellation_. R package
  version 0.5.2, <https://CRAN.R-project.org/package=geometry>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {geometry: Mesh Generation and Surface Tessellation},
    author = {Kai Habel and Raoul Grasman and Robert B. Gramacy and Pavlo Mozharovskyi and David C. Sterratt},
    year = {2025},
    note = {R package version 0.5.2},
    url = {https://CRAN.R-project.org/package=geometry},
  }