To cite the 'rem' package in publications use:

Brandenberger, Laurence (2017). rem: Relational Event Models. R package version 1.2.8.

Corresponding BibTeX entry:

  @Manual{,
    title = {rem: Relational Event Models},
    author = {Laurence Brandenberger},
    year = {2017},
    note = {R package version 1.2.8},
  }