To cite in publications use:

Adrian Trapletti and Kurt Hornik (2011). tseries: Time Series Analysis and Computational Finance. R package version 0.10-27.

Corresponding BibTeX entry:

  @Manual{,
    title = {tseries: Time Series Analysis and Computational Finance},
    author = {Adrian Trapletti and Kurt Hornik},
    year = {2011},
    note = {R package version 0.10-27.},
    url = {http://CRAN.R-project.org/package=tseries},
  }