To cite package ‘yfscreen’ in publications use:

  Foster J (2026). _yfscreen: Yahoo Finance 'screener' API_. R package
  version 0.1.3, <https://github.com/jasonjfoster/screen>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {yfscreen: Yahoo Finance 'screener' API},
    author = {Jason Foster},
    year = {2026},
    note = {R package version 0.1.3},
    url = {https://github.com/jasonjfoster/screen},
  }