To cite package ‘RCtest’ in publications use:

  Jedrzejewska J (2026). _RCtest: Reality Check and Predictive Ability
  Tests for Forecast Evaluation_. R package version 1.0,
  <https://CRAN.R-project.org/package=RCtest>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {RCtest: Reality Check and Predictive Ability Tests for Forecast
Evaluation},
    author = {Joanna Jedrzejewska},
    year = {2026},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=RCtest},
  }