To cite package ‘refseqR’ in publications use:

  Die J (2024). _refseqR: Common Computational Operations Working with
  RefSeq Entries (GenBank)_. R package version 1.1.4,
  <https://CRAN.R-project.org/package=refseqR>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {refseqR: Common Computational Operations Working with RefSeq Entries
(GenBank)},
    author = {Jose V. Die},
    year = {2024},
    note = {R package version 1.1.4},
    url = {https://CRAN.R-project.org/package=refseqR},
  }