To cite package ‘BumpyMatrix’ in publications use:

  Lun A (2021). _BumpyMatrix: Bumpy Matrix of Non-Scalar Objects_. R
  package version 1.13.0,
  <https://bioconductor.org/packages/BumpyMatrix>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {BumpyMatrix: Bumpy Matrix of Non-Scalar Objects},
    author = {Aaron Lun},
    year = {2021},
    note = {R package version 1.13.0},
    url = {https://bioconductor.org/packages/BumpyMatrix},
  }