To cite package ‘Correlplot’ in publications use:

Graffelman J, De Leeuw J (2026). Correlplot: A Collection of Functions for Graphing Correlation Matrices. R package version 1.1.3, https://CRAN.R-project.org/package=Correlplot.

Corresponding BibTeX entry:

  @Manual{,
    title = {Correlplot: A Collection of Functions for Graphing
      Correlation Matrices},
    author = {Jan Graffelman and Jan {De Leeuw}},
    year = {2026},
    note = {R package version 1.1.3},
    url = {https://CRAN.R-project.org/package=Correlplot},
  }