To cite package ‘eigencore’ in publications use:

  Buchsbaum B (2026). _eigencore: Certified Partial Eigenvalue and
  Singular Value Computation_. R package version 1.0.0,
  <https://CRAN.R-project.org/package=eigencore>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {eigencore: Certified Partial Eigenvalue and Singular Value Computation},
    author = {Bradley Buchsbaum},
    year = {2026},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=eigencore},
  }