To cite the 'LAM' package in publications use:

Robitzsch, A. (2018). LAM: Some latent variable models. R package version 0.3-48. https://CRAN.R-project.org/package=LAM

Corresponding BibTeX entry:

  @Manual{,
    title = {LAM: Some latent variable models},
    author = {Alexander Robitzsch},
    year = {2018},
    note = {R package version 0.3-48},
    url = {https://CRAN.R-project.org/package=LAM},
  }