To cite package ‘libcmaesr’ in publications use:

  Becker M, Bischl B, Binder M, Kotthoff L (2026). _libcmaesr: R
  Interface to 'libcmaes'_. R package version 0.1.0,
  <https://github.com/mlr-org/libcmaesr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {libcmaesr: R Interface to 'libcmaes'},
    author = {Marc Becker and Bernd Bischl and Martin Binder and Lars Kotthoff},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/mlr-org/libcmaesr},
  }