To cite package 'candisc' in publications use:

Friendly M, Fox J (2021). candisc: Visualizing Generalized Canonical Discriminant and Canonical Correlation Analysis. R package version 0.8-6, https://CRAN.R-project.org/package=heplots.

Corresponding BibTeX entry:

  @Manual{,
    title = {candisc: Visualizing Generalized Canonical Discriminant
      and Canonical Correlation Analysis},
    author = {Michael Friendly and John Fox},
    year = {2021},
    note = {R package version 0.8-6},
    url = {https://CRAN.R-project.org/package=heplots},
  }