To cite package ‘diffval’ in publications use:

  Monteiro-Henriques T, Cerdeira J (2025). _diffval: Vegetation
  Patterns_. R package version 1.2.0.9001,
  <https://gitlab.com/point-veg/diffval>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {diffval: Vegetation Patterns},
    author = {Tiago Monteiro-Henriques and Jorge Orestes Cerdeira},
    year = {2025},
    note = {R package version 1.2.0.9001},
    url = {https://gitlab.com/point-veg/diffval},
  }