To cite package ‘SurfaceTortoise’ in publications use:

Persson K (2023). SurfaceTortoise: Find Optimal Sampling Locations Based on Spatial Covariate(s). R package version 2.0.1, https://github.com/kriper0217/surfacetortoise.

Corresponding BibTeX entry:

  @Manual{,
    title = {SurfaceTortoise: Find Optimal Sampling Locations Based on
      Spatial Covariate(s)},
    author = {Kristin Persson},
    year = {2023},
    note = {R package version 2.0.1},
    url = {https://github.com/kriper0217/surfacetortoise},
  }