To cite package ‘eolas’ in publications use:

  Virtus Solutions (2026). _eolas: Client for the eolas.fyi Statistical
  Data API_. R package version 1.3.18,
  <https://github.com/phildonovan/eolas-r>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {eolas: Client for the eolas.fyi Statistical Data API},
    author = {{Virtus Solutions}},
    year = {2026},
    note = {R package version 1.3.18},
    url = {https://github.com/phildonovan/eolas-r},
  }