To cite the 'LAM' package in publications use:

Robitzsch, A. (2017). LAM: Some latent variable models. R package version 0.0-17. https://CRAN.R-project.org/package=LAM

Corresponding BibTeX entry:

  @Manual{,
    title = {LAM: Some Latent Variable Models},
    author = {Alexander Robitzsch},
    year = {2017},
    note = {R package version 0.0-17},
    url = {https://CRAN.R-project.org/package=LAM},
  }