To cite package mcompanion in publications use: 2009 for generation of
time series models and/or 2002 for general reference to multi-companion
matrices.

  Boshnakov GN, Iqelan BM (2009). “Generation of time series models
  with given spectral properties.” _Journal of Time Series Analysis_,
  *30*(3), 349-368. doi:10.1111/j.1467-9892.2009.00617.x
  <https://doi.org/10.1111/j.1467-9892.2009.00617.x>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Generation of time series models with given spectral properties},
    author = {Georgi N. Boshnakov and Bisher M. Iqelan},
    journal = {Journal of Time Series Analysis},
    volume = {30},
    number = {3},
    year = {2009},
    pages = {349-368},
    doi = {10.1111/j.1467-9892.2009.00617.x},
  }

  Boshnakov, N. G (2002). “Multi-companion matrices.” _Linear Algebra
  and its Applications_, *354*, 53-83.
  doi:10.1016/S0024-3795(01)00475-X
  <https://doi.org/10.1016/S0024-3795%2801%2900475-X>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Multi-companion matrices},
    author = {{Boshnakov} and Georgi N.},
    author = {{Boshnakov} and Georgi N.},
    journal = {Linear Algebra and its Applications},
    volume = {354},
    year = {2002},
    pages = {53-83},
    doi = {10.1016/S0024-3795(01)00475-X},
  }

To get the above in Bibtex format run:

toBibtex(citation("mcompanion"))