To cite package 'fastrda' in publications use:

  Cebeci Z (2026). _fastrda: Fast Redundancy Analysis with
  High-Performance C++ Backend_. R package version 0.2.0.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fastrda: Fast Redundancy Analysis with High-Performance C++ Backend},
    author = {Zeynel Cebeci},
    year = {2026},
    note = {R package version 0.2.0},
  }