To cite package ‘JFM’ in publications use:

  Campana R (2022). _JFM: Rock Mass Structural Analysis from 3D Mesh of
  Point Cloud_. R package version 1.0,
  <https://CRAN.R-project.org/package=JFM>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {JFM: Rock Mass Structural Analysis from 3D Mesh of Point Cloud},
    author = {Riccardo Campana},
    year = {2022},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=JFM},
  }