To cite the 'MARSS' package in publications use:

Elizabeth Holmes, Eric Ward, and Kellie Wills (2013). MARSS: Multivariate Autoregressive State-Space Modeling. R package version 3.9.

Holmes, E. E., Ward, E. J. & Wills, K. (2012) MARSS: Multivariate Autoregressive State-space Models for Analyzing Time-series Data. The R Journal. 4(1):11-19

Corresponding BibTeX entries:

  @Manual{,
    title = {MARSS: Multivariate Autoregressive State-Space Modeling},
    author = {Elizabeth Holmes and Eric Ward and Kellie Wills},
    year = {2013},
    note = {R package version 3.9},
    url = {http://cran.r-project.org/web/packages/MARSS/},
  }
  @Article{,
    title = {MARSS: Multivariate autoregressive state-space models for
      analyzing time-series data},
    author = {Elizabeth E. Holmes and Eric J. Ward and Kellie Wills},
    year = {2012},
    journal = {The R Journal},
    volume = {4},
    number = {1},
    pages = {30},
  }