To cite package ‘ricci’ in publications use:

  Schneiderbauer L (2025). _ricci: Ricci Calculus_. R package version
  0.1.1.9000, <https://github.com/lschneiderbauer/ricci>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ricci: Ricci Calculus},
    author = {Lukas Schneiderbauer},
    year = {2025},
    note = {R package version 0.1.1.9000},
    url = {https://github.com/lschneiderbauer/ricci},
  }