To cite package ‘SPECIES’ in publications use:

Wang J (2024). SPECIES: Statistical Package for Species Richness Estimation. R package version 1.2.0, https://CRAN.R-project.org/package=SPECIES.

Corresponding BibTeX entry:

  @Manual{,
    title = {SPECIES: Statistical Package for Species Richness
      Estimation},
    author = {Ji-Ping Wang},
    year = {2024},
    note = {R package version 1.2.0},
    url = {https://CRAN.R-project.org/package=SPECIES},
  }