To cite package ‘Compositionalridge’ in publications use:

  Tsagris M, Adam C (2026). _Compositionalridge: Ridge Regression for
  Compositional Data_. R package version 1.0,
  <https://CRAN.R-project.org/package=Compositionalridge>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Compositionalridge: Ridge Regression for Compositional Data},
    author = {Michail Tsagris and Christos Adam},
    year = {2026},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=Compositionalridge},
  }