To cite package ‘whatarelief’ in publications use:

  Sumner M (2024). _whatarelief: Get topography elevation and online
  imagery data_. R package version 0.0.1.9012,
  <https://github.com/hypertidy/whatarelief>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {whatarelief: Get topography elevation and online imagery data},
    author = {Michael D. Sumner},
    year = {2024},
    note = {R package version 0.0.1.9012},
    url = {https://github.com/hypertidy/whatarelief},
  }