To cite package 'rpublons' in publications use:

  Thomas J. Leeper (2017). rpublons: Client for Publons.com. R package
  version 0.1.1.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rpublons: Client for Publons.com},
    author = {Thomas J. Leeper},
    year = {2017},
    note = {R package version 0.1.1},
  }