To cite package ‘somspace’ in publications use:

  Markonis Y, Strnad F, Papalexiou S (2023). _somspace: Spatial
  Analysis with Self-Organizing Maps_. R package version 1.2.4,
  <https://CRAN.R-project.org/package=somspace>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {somspace: Spatial Analysis with Self-Organizing Maps},
    author = {Yannis Markonis and Filip Strnad and Simon Michael Papalexiou},
    year = {2023},
    note = {R package version 1.2.4},
    url = {https://CRAN.R-project.org/package=somspace},
  }