To cite package ‘spectra2rgb’ in publications use:

  Elguera J (2026). _spectra2rgb: Convert Spectral Signatures to sRGB
  and CIELAB Colour Coordinates_. R package version 0.1.0,
  <https://CRAN.R-project.org/package=spectra2rgb>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {spectra2rgb: Convert Spectral Signatures to sRGB and CIELAB Colour
Coordinates},
    author = {Jhohan Elguera},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=spectra2rgb},
  }