To cite package ‘riverdist’ in publications use:

  Tyers M (2024). _riverdist: River Network Distance Computation and
  Applications_. R package version 0.17.1,
  <https://CRAN.R-project.org/package=riverdist>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {riverdist: River Network Distance Computation and Applications},
    author = {Matt Tyers},
    year = {2024},
    note = {R package version 0.17.1},
    url = {https://CRAN.R-project.org/package=riverdist},
  }