To cite package ‘varband’ in publications use:

Yu G (2016). varband: Variable Banding of Large Precision Matrices. R package version 0.9.0, https://CRAN.R-project.org/package=varband.

Corresponding BibTeX entry:

  @Manual{,
    title = {varband: Variable Banding of Large Precision Matrices},
    author = {Guo Yu},
    year = {2016},
    note = {R package version 0.9.0},
    url = {https://CRAN.R-project.org/package=varband},
  }