To cite package ‘amen’ in publications use:

Hoff P, Fosdick B, Volfovsky A (2020). amen: Additive and Multiplicative Effects Models for Networks and Relational Data. R package version 1.4.4, https://github.com/pdhoff/amen.

Corresponding BibTeX entry:

  @Manual{,
    title = {amen: Additive and Multiplicative Effects Models for
      Networks and Relational Data},
    author = {Peter Hoff and Bailey Fosdick and Alex Volfovsky},
    year = {2020},
    note = {R package version 1.4.4},
    url = {https://github.com/pdhoff/amen},
  }