To cite package ‘usgsm2m’ in publications use:

  Pawley S (2026). _usgsm2m: R Interface to the USGS/EROS
  Machine-to-Machine (M2M) Application Programming Interface (API)_. R
  package version 0.2.0, <https://github.com/stevenpawley/usgsm2m>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {usgsm2m: R Interface to the USGS/EROS Machine-to-Machine (M2M)
Application Programming Interface (API)},
    author = {Steven Pawley},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://github.com/stevenpawley/usgsm2m},
  }