To cite package ‘n4m’ in publications use:

  Beurier G (2026). _n4m: Portable Partial Least Squares and NIRS
  Engine_. R package version 0.99.0,
  <https://github.com/gbeurier/nirs4all-methods>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {n4m: Portable Partial Least Squares and NIRS Engine},
    author = {Gregory Beurier},
    year = {2026},
    note = {R package version 0.99.0},
    url = {https://github.com/gbeurier/nirs4all-methods},
  }