To cite the package 'imcRtools' in publications use:

  Windhager, J., Zanotelli, V.R.T., Schulz, D. et al. An end-to-end
  workflow for multiplexed image processing and analysis. Nat Protoc
  (2023). https://doi.org/10.1038/s41596-023-00881-0

A BibTeX entry for LaTeX users is

  @Article{,
    title = {An end-to-end workflow for multiplexed image processing and analysis},
    author = {Jonas Windhager and Vito R.T. Zanotelli and Daniel Schulz and Lasse Meyer and Michelle Daniel and Bernd Bodenmiller and Nils Eling},
    year = {2023},
    journal = {Nature Protocols},
    doi = {10.1038/s41596-023-00881-0},
  }