To cite cpfa in publications, use:

  Asisgress M (2026). _cpfa: Classification with Parallel Factor
  Analysis_. R package version 1.3.0,
  <https://CRAN.R-project.org/package=cpfa>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {cpfa: Classification with Parallel Factor Analysis},
    author = {Matthew Asisgress},
    year = {2026},
    note = {R package version 1.3.0},
    url = {https://CRAN.R-project.org/package=cpfa},
  }