To cite package ‘SLspatial’ in publications use:

  Mahendran A (2026). _SLspatial: Spatial Data for Sri Lanka_. R
  package version 1.0.0, <https://github.com/amalan-constat/slspatial>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {SLspatial: Spatial Data for Sri Lanka},
    author = {Amalan Mahendran},
    year = {2026},
    note = {R package version 1.0.0},
    url = {https://github.com/amalan-constat/slspatial},
  }