To cite pEPA package in publications use:

Drachal K (2024). ”pEPA”: Testing equal predictive accuracy for panels of forecasts. https://CRAN.R-project.org/package=pEPA.

Corresponding BibTeX entry:

  @Manual{,
    title = {{''pEPA''}: {T}esting equal predictive accuracy for panels
      of forecasts},
    author = {Krzysztof Drachal},
    year = {2024},
    url = {https://CRAN.R-project.org/package=pEPA},
  }