To cite package ‘savvy’ in publications use:

  Yutani H (2024). _savvy: A Simple Wrapper of 'savvy-cli' Command_. R
  package version 0.0.4, <https://github.com/yutannihilation/savvy>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {savvy: A Simple Wrapper of 'savvy-cli' Command},
    author = {Hiroaki Yutani},
    year = {2024},
    note = {R package version 0.0.4},
    url = {https://github.com/yutannihilation/savvy},
  }