To cite package ‘funcharts’ in publications use:

  Capezza C, Centofanti F, Lepore A, Menafoglio A, Palumbo B, Vantini S
  (2023). _funcharts: Functional Control Charts_. R package version
  1.3.2, <https://CRAN.R-project.org/package=funcharts>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {funcharts: Functional Control Charts},
    year = {2023},
    author = {Christian Capezza and Fabio Centofanti and Antonio Lepore and Alessandra Menafoglio and Biagio Palumbo and Simone Vantini},
    url = {https://CRAN.R-project.org/package=funcharts},
    note = {R package version 1.3.2},
  }

  Capezza, C., Centofanti, F., Lepore, A., Menafoglio, A., Palumbo, B.,
  & Vantini, S. (2023). funcharts: Control charts for multivariate
  functional data in R. Journal of Quality Technology, 55(5), 566-583.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{funcharts: Control charts for multivariate functional data in R}},
    journal = {Journal of Quality Technology},
    volume = {55},
    number = {5},
    pages = {566--583},
    year = {2023},
    author = {{Capezza} and {Christian} and {Centofanti} and {Fabio} and {Lepore} and {Antonio} and {Menafoglio} and {Alessandra} and {Palumbo} and {Biagio} and {Vantini} and {Simone}},
  }