To cite the synlik package in publications use:

Fasiolo M, Wood S (2014). An introduction to synlik (2014). R package version 0.1.0.. http://XXX.org.

As synlik is often updated, you may want to cite its version number. Find it with 'help(package=synlik)'.

Corresponding BibTeX entry:

  @Manual{,
    title = {An introduction to synlik (2014). R package version
      0.1.0.},
    author = {Matteo Fasiolo and Simon Wood},
    year = {2014},
    url = {http://XXX.org},
  }