To cite package ‘toml’ in publications use:

  Ooms J (2025). _toml: Read, Write, and Modify TOML Files_. R package
  version 1.0.0, <https://github.com/r-lib/toml>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {toml: Read, Write, and Modify TOML Files},
    author = {Jeroen Ooms},
    year = {2025},
    note = {R package version 1.0.0},
    url = {https://github.com/r-lib/toml},
  }