To cite 'fechner' in publications:

  Uenlue A, Kiefer T (2026). _fechner: Fechnerian Scaling of Discrete
  Object Sets_. R package version 1.0-4.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fechner: Fechnerian Scaling of Discrete Object Sets},
    author = {Ali Uenlue and Thomas Kiefer},
    year = {2026},
    note = {R package version 1.0-4},
  }

  Ali Uenlue, Thomas Kiefer, Ehtibar N. Dzhafarov (2009). Fechnerian
  Scaling in R: The Package fechner. Journal of Statistical Software,
  31(6), 1-24. URL https://www.jstatsoft.org/article/view/v031i06.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Fechnerian Scaling in {R}: The Package {fechner}},
    author = {Ali \"Unl\"u and Thomas Kiefer and Ehtibar N. Dzhafarov},
    journal = {Journal of Statistical Software},
    year = {2009},
    volume = {31},
    number = {6},
    pages = {1--24},
    url = {https://www.jstatsoft.org/article/view/v031i06},
  }