To cite package ‘ccda’ in publications use:

  Kovacs S, Kovacs J, Tanos P (2026). _ccda: Combined Cluster and
  Discriminant Analysis_. R package version 1.2,
  <https://CRAN.R-project.org/package=ccda>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ccda: Combined Cluster and Discriminant Analysis},
    author = {Solt Kovacs and Jozsef Kovacs and Peter Tanos},
    year = {2026},
    note = {R package version 1.2},
    url = {https://CRAN.R-project.org/package=ccda},
  }