To cite package ‘coiR’ in publications use:

  Edson Nilton de Moura Silva-Júnior (2026). _coiR: Analysis of Canopy
  Openness Index from Fisheye Images_. R package version 0.1.0,
  <https://CRAN.R-project.org/package=coiR>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {coiR: Analysis of Canopy Openness Index from Fisheye Images},
    author = {{Edson Nilton de Moura Silva-Júnior}},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=coiR},
  }