To cite package ‘cmfrec’ in publications use:

Cortes D (2023). cmfrec: Collective Matrix Factorization for Recommender Systems. R package version 3.5.1-3, https://CRAN.R-project.org/package=cmfrec.

Corresponding BibTeX entry:

  @Manual{,
    title = {cmfrec: Collective Matrix Factorization for Recommender
      Systems},
    author = {David Cortes},
    year = {2023},
    note = {R package version 3.5.1-3},
    url = {https://CRAN.R-project.org/package=cmfrec},
  }