To cite package ‘BarcodingR’ in publications use:

  ZHANG A, HAO M, YANG C, SHI Z (2020). _BarcodingR: Species
  Identification using DNA Barcodes_. R package version 1.0-3,
  <https://CRAN.R-project.org/package=BarcodingR>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {BarcodingR: Species Identification using DNA Barcodes},
    author = {Ai-bing ZHANG and Meng-di HAO and Cai-qing YANG and Zhi-yong SHI},
    year = {2020},
    note = {R package version 1.0-3},
    url = {https://CRAN.R-project.org/package=BarcodingR},
  }