To cite package ‘luxR’ in publications use:

  Kirwan JD (2026). _luxR: Underwater Light Analysis and Visual
  Ecology_. R package version 0.1.1,
  <https://github.com/JohnKirwan/luxR>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {luxR: Underwater Light Analysis and Visual Ecology},
    author = {John D Kirwan},
    year = {2026},
    note = {R package version 0.1.1},
    url = {https://github.com/JohnKirwan/luxR},
  }