To cite package ‘tm.plugin.europresse’ in publications use:

  Bouchet-Valat M (2016). _tm.plugin.europresse: Import Articles from
  'Europresse' Using the 'tm' Text Mining Framework_. R package version
  1.4, <https://r-forge.r-project.org/projects/r-temis>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tm.plugin.europresse: Import Articles from 'Europresse' Using the 'tm' Text Mining
Framework},
    author = {Milan Bouchet-Valat},
    year = {2016},
    note = {R package version 1.4},
    url = {https://r-forge.r-project.org/projects/r-temis},
  }