To cite the 'MAR1' package in publications use:

Lindsay Scheef (2013). MAR1: Multivariate Autoregressive Modeling for Analysis of Community Time-Series Data. R package version 1.0.

Corresponding BibTeX entry:

  @Manual{,
    title = {MAR1: Multivariate Autoregressive Modeling for Analysis of
      Community Time-Series Data},
    author = {Lindsay Scheef},
    year = {2013},
    note = {R package version 1.0},
    url = {http://cran.r-project.org/web/packages/MAR1/},
  }