To cite poLCAParallel in publications use:

  Lo SE (2022). “Speeding up and Parallelising R packages (using Rcpp
  and C++ | QMUL ITS Research Blog).”
  <https://blog.hpc.qmul.ac.uk/speeding_up_r_packages/>.

A BibTeX entry for LaTeX users is

  @Misc{,
    title = {Speeding up and Parallelising {R} packages (using {Rcpp} and {C++} | QMUL ITS Research Blog)},
    author = {Sherman E. Lo},
    year = {2022},
    url = {https://blog.hpc.qmul.ac.uk/speeding_up_r_packages/},
  }

  Linzer DA, Lewis JB (2011). “poLCA: An R Package for Polytomous
  Variable Latent Class Analysis.” _Journal of Statistical Software_,
  *42*(10), 1-29. <https://www.jstatsoft.org/article/view/v042i10>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{poLCA}: An {R} Package for Polytomous Variable Latent Class Analysis},
    author = {Drew A. Linzer and Jeffrey B. Lewis},
    journal = {Journal of Statistical Software},
    year = {2011},
    volume = {42},
    number = {10},
    pages = {1--29},
    url = {https://www.jstatsoft.org/article/view/v042i10},
  }