To cite package ‘cycleTrendR’ in publications use:

  Piu P (2026). _cycleTrendR: Adaptive Cycle and Trend Analysis for
  Irregular Time Series_. R package version 0.2.0,
  <https://github.com/pietropiu-labstats/cycletrendr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {cycleTrendR: Adaptive Cycle and Trend Analysis for Irregular Time Series},
    author = {Pietro Piu},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://github.com/pietropiu-labstats/cycletrendr},
  }