To cite package ‘protolite’ in publications use:

  Ooms J (2024). _protolite: Highly Optimized Protocol Buffer
  Serializers_. R package version 2.3.1,
  <https://CRAN.R-project.org/package=protolite>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {protolite: Highly Optimized Protocol Buffer Serializers},
    author = {Jeroen Ooms},
    year = {2024},
    note = {R package version 2.3.1},
    url = {https://CRAN.R-project.org/package=protolite},
  }