To cite package ‘stilt’ in publications use:

Olson R, Chang W, Keller K, Haran M (2025). stilt: Separable Gaussian Process Interpolation (Emulation). R package version 1.3.1, https://CRAN.R-project.org/package=stilt.

Corresponding BibTeX entry:

  @Manual{,
    title = {stilt: Separable Gaussian Process Interpolation
      (Emulation)},
    author = {Roman Olson and Won Chang and Klaus Keller and Murali
      Haran},
    year = {2025},
    note = {R package version 1.3.1},
    url = {https://CRAN.R-project.org/package=stilt},
  }