Please use the following for both the website and the RepeatMasker software package: Smit, AFA, Hubley, R & Green, P. RepeatMasker Open-4.0. 2013-2015 <http://www.repeatmasker.org>. or Smit, AFA, Hubley, R & Green, P. RepeatMasker Open-3.0. 1996-2010 <http://www.repeatmasker.org>.