To cite package 'SciencesPo' in publications use:

Marcelino D (2015). SciencesPo: A tool set for analyzing political behavior data. R package version 1.3.7, http://CRAN.R-project.org/package=SciencesPo.

Corresponding BibTeX entry:

  @Manual{,
    title = {{SciencesPo}: A tool set for analyzing political behavior
      data},
    author = {Daniel Marcelino},
    year = {2015},
    note = {R package version 1.3.7},
    url = {http://CRAN.R-project.org/package=SciencesPo},
  }