To cite package 'StochBlock' in publications cite the package and the
article.

  Škulj, Damjan, Žiberna, Aleš (2022). Stochastic blockmodeling of
  linked networks. Social Networks, 70, 240–252. doi:
  10.1016/j.socnet.2022.02.001.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Stochastic blockmodeling of linked networks},
    volume = {70},
    shorttitle = {Stochastic blockmodeling of linked networks},
    doi = {10.1016/j.socnet.2022.02.001},
    journal = {Social Networks},
    author = {Damjan Škulj and Aleš Žiberna},
    year = {2022},
    pages = {240--252},
  }

  Žiberna, Aleš, Telarico, Fabio Ashtar (2023).  Stochastic
  Blockmodeling of One-Mode and Linked Networks, R package version
  0.1.2.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Stochastic Blockmodeling of One-Mode and Linked Networks},
    author = {Aleš Žiberna and Fabio Ashtar Telarico},
    year = {2023},
    note = {R package version 0.1.2},
  }