To cite package ‘smd’ in publications use:

  Saul B (2024). _smd: Compute Standardized Mean Differences_. R
  package version 0.7.0, <https://github.com/bsaul/smd>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {smd: Compute Standardized Mean Differences},
    author = {Bradley Saul},
    year = {2024},
    note = {R package version 0.7.0},
    url = {https://github.com/bsaul/smd},
  }