To cite rangr in publications use:

  Markowska K. and Kuczyński L. (2023). rangr: simulating range
  dynamics of virtual species. R package version 1.0.5.
  https://docs.ropensci.org/rangr/

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rangr: simulating range dynamics of virtual species},
    author = {Katarzyna Markowska and Lechosław Kuczyński},
    year = {2023},
    note = {R package version 1.0.5},
    url = {https://github.com/ropensci/rangr},
  }