To cite package ‘tvtools’ in publications use:

  Shilane D (2024). _tvtools: Comprehensive Tools for Panel Data
  Analysis - 'tvtools'_. R package version 0.0.3,
  <https://CRAN.R-project.org/package=tvtools>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tvtools: Comprehensive Tools for Panel Data Analysis - 'tvtools'},
    author = {David Shilane},
    year = {2024},
    note = {R package version 0.0.3},
    url = {https://CRAN.R-project.org/package=tvtools},
  }