To cite package ‘itertools2’ in publications use:

  Ramey JA, Schaefer K (2015). _itertools2: Iterators for efficient
  looping_. R package version 0.1.3, ,
  <https://github.com/ramhiser/itertools2>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {itertools2: Iterators for efficient looping},
    author = {John A. Ramey and Kayla Schaefer},
    year = {2015},
    note = {R package version 0.1.3, },
    url = {https://github.com/ramhiser/itertools2},
  }

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