To cite package ‘gKRLS’ in publications use:

  Chang Q, Goplerud M (2024). _gKRLS: Generalized Kernel Regularized
  Least Squares_. R package version 1.0.4,
  <https://CRAN.R-project.org/package=gKRLS>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gKRLS: Generalized Kernel Regularized Least Squares},
    author = {Qing Chang and Max Goplerud},
    year = {2024},
    note = {R package version 1.0.4},
    url = {https://CRAN.R-project.org/package=gKRLS},
  }