To cite package ‘glmmPen’ in publications use:

Heiling H, Rashid N, Li Q, Ibrahim J (2024). glmmPen: High Dimensional Penalized Generalized Linear Mixed Models (pGLMM). R package version 1.5.4.8, https://CRAN.R-project.org/package=glmmPen.

Corresponding BibTeX entry:

  @Manual{,
    title = {glmmPen: High Dimensional Penalized Generalized Linear
      Mixed Models (pGLMM)},
    author = {Hillary Heiling and Naim Rashid and Quefeng Li and Joseph
      Ibrahim},
    year = {2024},
    note = {R package version 1.5.4.8},
    url = {https://CRAN.R-project.org/package=glmmPen},
  }