To cite sps in publications use:

Martin S (2026). sps: Sequential Poisson Sampling. doi:10.32614/CRAN.package.sps. R package version 0.7.0, https://cran.r-project.org/package=sps.

Corresponding BibTeX entry:

  @Manual{,
    title = {{sps}: Sequential Poisson Sampling},
    author = {Steve Martin},
    year = {2026},
    doi = {10.32614/CRAN.package.sps},
    url = {https://cran.r-project.org/package=sps},
    note = {R package version 0.7.0},
  }