To cite package ‘cld2’ in publications use:

  Ooms J (2024). _cld2: Google's Compact Language Detector 2_. R
  package version 1.2.5, <https://github.com/ropensci/cld2>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {cld2: Google's Compact Language Detector 2},
    author = {Jeroen Ooms},
    year = {2024},
    note = {R package version 1.2.5},
    url = {https://github.com/ropensci/cld2},
  }