To cite package ‘empichar’ in publications use:

Basulto-Elias G (2023). empichar: Evaluates the Empirical Characteristic Function for Multivariate Samples. R package version 1.0.1, https://CRAN.R-project.org/package=empichar.

Corresponding BibTeX entry:

  @Manual{,
    title = {empichar: Evaluates the Empirical Characteristic Function
      for Multivariate Samples},
    author = {Guillermo Basulto-Elias},
    year = {2023},
    note = {R package version 1.0.1},
    url = {https://CRAN.R-project.org/package=empichar},
  }