To cite sars in a publication:

Matthews TJ, Triantis K, Whittaker RJ, Guilhaumon F (2019). “sars: an R package for fitting, evaluating and comparing species–area relationship models.” Ecography, 42, 1446-1455. doi:10.1111/ecog.04271, https://nsojournals.onlinelibrary.wiley.com/doi/full/10.1111/ecog.04271.

Corresponding BibTeX entry:

  @Article{,
    author = {Thomas J. Matthews and Kostas Triantis and Robert J.
      Whittaker and Francois Guilhaumon},
    title = {sars: an R package for fitting, evaluating and comparing
      species–area relationship models},
    journal = {Ecography},
    year = {2019},
    volume = {42},
    pages = {1446-1455},
    doi = {10.1111/ecog.04271},
    url =
      {https://nsojournals.onlinelibrary.wiley.com/doi/full/10.1111/ecog.04271},
  }