To cite package ‘Matrix’ in publications use:

Bates D, Maechler M, Jagan M (2026). Matrix: Sparse and Dense Matrix Classes and Methods. R package version 1.7-6, https://CRAN.R-project.org/package=Matrix.

Corresponding BibTeX entry:

  @Manual{,
    title = {Matrix: Sparse and Dense Matrix Classes and Methods},
    author = {Douglas Bates and Martin Maechler and Mikael Jagan},
    year = {2026},
    note = {R package version 1.7-6},
    url = {https://CRAN.R-project.org/package=Matrix},
  }