To cite package ‘KrigInv’ in publications use:

  Chevalier C, Azzimonti D, Ginsbourger D, Picheny V (2022). _KrigInv:
  Kriging-Based Inversion for Deterministic and Noisy Computer
  Experiments_. R package version 1.4.2,
  <https://CRAN.R-project.org/package=KrigInv>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {KrigInv: Kriging-Based Inversion for Deterministic and Noisy Computer
Experiments},
    author = {Clement Chevalier and Dario Azzimonti and David Ginsbourger and Victor Picheny},
    year = {2022},
    note = {R package version 1.4.2},
    url = {https://CRAN.R-project.org/package=KrigInv},
  }