To cite package ‘luna’ in publications use:

  Hijmans R, Ghosh A (2023). _luna: Tools for Satellite Remote Sensing
  (Earth Observation) Data Processing_. R package version 0.3-6,
  <https://github.com/rspatial/luna>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {luna: Tools for Satellite Remote Sensing (Earth Observation) Data
Processing},
    author = {Robert J. Hijmans and Aniruddha Ghosh},
    year = {2023},
    note = {R package version 0.3-6},
    url = {https://github.com/rspatial/luna},
  }