To cite package ‘kza’ in publications use:

  Close B, Zurbenko I, Sun M (2026). _kza: Kolmogorov-Zurbenko Adaptive
  Filters_. R package version 4.2.1,
  <https://CRAN.R-project.org/package=kza>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {kza: Kolmogorov-Zurbenko Adaptive Filters},
    author = {Brian Close and Igor Zurbenko and Mingzeng Sun},
    year = {2026},
    note = {R package version 4.2.1},
    url = {https://CRAN.R-project.org/package=kza},
  }
