To cite package ‘sftpR’ in publications use:

  Kuo M (2026). _sftpR: Robust SFTP Interface Using 'curl'_. R package
  version 0.2.0, <https://github.com/mikuo0628/sftpr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sftpR: Robust SFTP Interface Using 'curl'},
    author = {Michael Kuo},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://github.com/mikuo0628/sftpr},
  }