To cite sgsR in publications use:

Goodbody TR, Coops NC, Queinnec M (2022). Structurally Guided Sampling. R package version 1.3.2, https://github.com/tgoodbody/sgsR.

Corresponding BibTeX entry:

  @Manual{,
    title = {Structurally Guided Sampling},
    author = {Tristan RH Goodbody and Nicholas C Coops and Martin
      Queinnec},
    year = {2022},
    note = {R package version 1.3.2},
    url = {https://github.com/tgoodbody/sgsR},
  }