To cite package ‘DiceOptim’ in publications use:

  Picheny V, Ginsbourger D, Roustant O (2025). _DiceOptim:
  Kriging-Based Optimization for Computer Experiments_. R package
  version 2.1.2, <https://CRAN.R-project.org/package=DiceOptim>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {DiceOptim: Kriging-Based Optimization for Computer Experiments},
    author = {Victor Picheny and David Ginsbourger and Olivier Roustant},
    year = {2025},
    note = {R package version 2.1.2},
    url = {https://CRAN.R-project.org/package=DiceOptim},
  }