To cite package ‘PNC’ in publications use:

  He Y, Xia Y, Yang R, Mao L (2026). _PNC: Evaluating Phylogeny as a
  Proxy for Ecological Similarity_. R package version 0.2.0,
  <https://CRAN.R-project.org/package=PNC>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PNC: Evaluating Phylogeny as a Proxy for Ecological Similarity},
    author = {Yan He and Yu Xia and Rui Yang and Lingfeng Mao},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://CRAN.R-project.org/package=PNC},
  }