To cite the forecast package, use:

Hyndman RJ (2015). forecast: Forecasting functions for time series and linear models. R package version 6.2, http://github.com/robjhyndman/forecast.

Hyndman RJ and Khandakar Y (2008). “Automatic time series forecasting: the forecast package for R.” Journal of Statistical Software, 26(3), pp. 1–22. http://ideas.repec.org/a/jss/jstsof/27i03.html.

Corresponding BibTeX entries:

  @Manual{,
    title = {{forecast}: Forecasting functions for time series and
      linear models},
    author = {Rob J Hyndman},
    year = {2015},
    note = {R package version 6.2},
    url = {http://github.com/robjhyndman/forecast},
  }

  @Article{,
    title = {Automatic time series forecasting: the forecast package
      for {R}},
    author = {Rob J Hyndman and Yeasmin Khandakar},
    journal = {Journal of Statistical Software},
    volume = {26},
    number = {3},
    pages = {1--22},
    year = {2008},
    url = {http://ideas.repec.org/a/jss/jstsof/27i03.html},
  }