To cite package ‘sfd’ in publications use:

  Kuhn M (2024). _sfd: Space-Filling Design Library_. R package version
  0.1.0.9000, <https://github.com/topepo/sfd>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sfd: Space-Filling Design Library},
    author = {Max Kuhn},
    year = {2024},
    note = {R package version 0.1.0.9000},
    url = {https://github.com/topepo/sfd},
  }