To cite package ‘DOEM’ in publications use:

  Wang Q, Guo G, Qian G (2022). _DOEM: The Distributed Online
  Expectation Maximization Algorithms to Solve Parameters of Poisson
  Mixture Models_. R package version 0.0.0.1,
  <https://CRAN.R-project.org/package=DOEM>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {DOEM: The Distributed Online Expectation Maximization Algorithms to
Solve Parameters of Poisson Mixture Models},
    author = {Qian Wang and Guangbao Guo and Guoqi Qian},
    year = {2022},
    note = {R package version 0.0.0.1},
    url = {https://CRAN.R-project.org/package=DOEM},
  }