To cite package ‘itertools’ in publications use:

Weston S, Wickham H (2014). itertools: Iterator Tools. R package version 0.1-3, https://CRAN.R-project.org/package=itertools.

ATTENTION: This citation information has been auto-generated from the package DESCRIPTION file and may need manual editing, see ‘help("citation")’.

Corresponding BibTeX entry:

  @Manual{,
    title = {itertools: Iterator Tools},
    author = {Steve Weston and Hadley Wickham},
    year = {2014},
    note = {R package version 0.1-3},
    url = {https://CRAN.R-project.org/package=itertools},
  }