To cite package ‘sgdGMF’ in publications use:

  Castiglione C (2025). _sgdGMF: Estimation of Generalized Matrix
  Factorization Models via Stochastic Gradient Descent_. R package
  version 1.0, <https://CRAN.R-project.org/package=sgdGMF>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sgdGMF: Estimation of Generalized Matrix Factorization Models via
Stochastic Gradient Descent},
    author = {Cristian Castiglione},
    year = {2025},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=sgdGMF},
  }