To cite package ‘unfold’ in publications use:

  Vercellino G (2026). _unfold: Mapping Hidden Geometry into Future
  Sequences_. R package version 1.0.1,
  <https://CRAN.R-project.org/package=unfold>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {unfold: Mapping Hidden Geometry into Future Sequences},
    author = {Giancarlo Vercellino},
    year = {2026},
    note = {R package version 1.0.1},
    url = {https://CRAN.R-project.org/package=unfold},
  }