To cite package ‘ClimClass’ in publications use:

  Eccel E, Zottele F, Cordano E, Toller G (2025). _ClimClass: Climate
  Classification According to Several Indices_. R package version
  2.1.1, <https://CRAN.R-project.org/package=ClimClass>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ClimClass: Climate Classification According to Several Indices},
    author = {Emanuele Eccel and Fabio Zottele and Emanuele Cordano and Giambattista Toller},
    year = {2025},
    note = {R package version 2.1.1},
    url = {https://CRAN.R-project.org/package=ClimClass},
  }