To cite the 'simcdm' package in publications use:

  Balamuta, J. J. (2021). Bayesian estimation of restricted latent
  class models: Extending priors, link functions, and structural
  models. University of Illinois Urbana-Champaign.

A BibTeX entry for LaTeX users is

  @PhdThesis{,
    title = {Bayesian estimation of restricted latent class models: Extending priors, link functions, and structural models},
    author = {James Joseph Balamuta},
    school = {University of Illinois Urbana-Champaign},
    doi = {10.1080/00273171.2021.1985949},
    year = {2021},
  }

  Balamuta, J. J., Culpepper, S. A., and Hudson A. (2019) simcdm:
  Simulate Cognitive Diagnostic Model (CDM) Data. URL
  https://cran.r-project.org/package=simcdm.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {{simcdm: Simulate Cognitive Diagnostic Model (CDM) Data}},
    author = {James Joseph Balamuta and Steven Andrew Culpepper and Aaron Hudson},
    year = {2019},
  }