To cite package ‘RSAGA’ in publications use:

  Brenning A, Bangs D, Becker M (2025). _RSAGA: SAGA Geoprocessing and
  Terrain Analysis_. R package version 1.4.2,
  <https://CRAN.R-project.org/package=RSAGA>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {RSAGA: SAGA Geoprocessing and Terrain Analysis},
    author = {Alexander Brenning and Donovan Bangs and Marc Becker},
    year = {2025},
    note = {R package version 1.4.2},
    url = {https://CRAN.R-project.org/package=RSAGA},
  }