Please cite GPBayes including its version number as

Ma P (2021). “GPBayes: Tools for Gaussian Process Modeling in Uncertainty Quantification.” R package version 0.1.0-4, https://CRAN.R-project.org/package=GPBayes.

Corresponding BibTeX entry:

  @Misc{,
    title = {GPBayes: Tools for Gaussian Process Modeling in
      Uncertainty Quantification},
    author = {Pulong Ma},
    note = {R package version 0.1.0-4},
    organization = {Clemson University},
    address = {Clemson, SC, USA},
    year = {2021},
    url = {https://CRAN.R-project.org/package=GPBayes},
  }