To cite package ‘refreg’ in publications use:

Lado-Baleato O, Roca-Pardinas J, Cadarso-Suarez C, Francisco G (2022). refreg: Conditional Multivariate Reference Regions. R package version 0.1.1, https://CRAN.R-project.org/package=refreg.

Corresponding BibTeX entry:

  @Manual{,
    title = {refreg: Conditional Multivariate Reference Regions},
    author = {Oscar Lado-Baleato and Javier Roca-Pardinas and Carmen
      Cadarso-Suarez and Gude Francisco},
    year = {2022},
    note = {R package version 0.1.1},
    url = {https://CRAN.R-project.org/package=refreg},
  }