To cite package ‘nirs4all’ in publications use:

  contributors n (2026). _nirs4all: Portable nirs4all Aggregate
  Binding_. R package version 0.1.0,
  <https://github.com/gbeurier/nirs4all-lite>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {nirs4all: Portable nirs4all Aggregate Binding},
    author = {nirs4all contributors},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/gbeurier/nirs4all-lite},
  }