To cite package 'BaSAR' in publications use:

Emma Granqvist and Matthew Hartley and Richard J Morris (2012). BaSAR: Bayesian Spectrum Analysis of time series data R package version 1.3.

Corresponding BibTeX entry:

  @Manual{,
    title = {BaSAR: Bayesian Spectrum Analysis of time series data},
    author = {Emma Granqvist and Matthew Hartley and Richard Morris},
    year = {2011},
    note = {version 1.1},
    url = {http://CRAN.R-project.org/package=BaSAR},
  }