To cite package ‘isoband’ in publications use:

  Wickham H, Wilke C, Pedersen T (2024). _isoband: Generate Isolines
  and Isobands from Regularly Spaced Elevation Grids_. R package
  version 0.2.7.9000, <https://github.com/r-lib/isoband>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {isoband: Generate Isolines and Isobands from Regularly Spaced Elevation
Grids},
    author = {Hadley Wickham and Claus O. Wilke and Thomas Lin Pedersen},
    year = {2024},
    note = {R package version 0.2.7.9000},
    url = {https://github.com/r-lib/isoband},
  }