To cite package ‘ExtremeCI’ in publications use:

  Pasche OC (2026). _ExtremeCI: Realistic Confidence Intervals for
  Non-Stationary Extreme Value Statistics_. R package version 0.2.1,
  <https://CRAN.R-project.org/package=ExtremeCI>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ExtremeCI: Realistic Confidence Intervals for Non-Stationary Extreme Value
Statistics},
    author = {Olivier C. Pasche},
    year = {2026},
    note = {R package version 0.2.1},
    url = {https://CRAN.R-project.org/package=ExtremeCI},
  }