To cite package ‘apca’ in publications use:

Mulyanto A, Otok B, Purnomo J (2026). apca: Advanced Principal Component Analysis. R package version 1.0.0, https://CRAN.R-project.org/package=apca.

Corresponding BibTeX entry:

  @Manual{,
    title = {apca: Advanced Principal Component Analysis},
    author = {Angga Dwi Mulyanto and Bambang Widjanarko Otok and Jerry
      Dwi Trijoyo Purnomo},
    year = {2026},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=apca},
  }