To cite package ‘fasjem’ in publications use:

  Wang B, Qi Y (2017). _fasjem: A Fast and Scalable Joint Estimator for
  Learning Multiple Related Sparse Gaussian Graphical Models_. R
  package version 1.1.2, <https://CRAN.R-project.org/package=fasjem>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fasjem: A Fast and Scalable Joint Estimator for Learning Multiple
Related Sparse Gaussian Graphical Models},
    author = {Beilun Wang and Yanjun Qi},
    year = {2017},
    note = {R package version 1.1.2},
    url = {https://CRAN.R-project.org/package=fasjem},
  }