To cite package geosptdb in publications use:

Melo C, Melo O, Melo S (2025). Spatio-Temporal Radial Basis Functions with Distance-Based Methods (Optimization, Prediction and Cross Validation.. R package version 1.0-2, https://CRAN.R-project.org/package=geosptdb.

Corresponding BibTeX entry:

  @Manual{,
    title = {Spatio-Temporal Radial Basis Functions with Distance-Based
      Methods (Optimization, Prediction and Cross Validation.},
    author = {C. Melo and O. Melo and S. Melo},
    year = {2025},
    url = {https://CRAN.R-project.org/package=geosptdb},
    note = {R package version 1.0-2},
  }