To cite nichenetr in publications use:

  Robin Browaeys, Wouter Saelens, Yvan Saeys (2019) NicheNet: Modeling
  intercellular communication by linking ligands to target genes Nature
  Methods

A BibTeX entry for LaTeX users is

  @Article{,
    title = {NicheNet: Modeling intercellular communication by linking ligands to target genes},
    author = {Robin Browaeys and Wouter Saelens and Yvan Saeys},
    journal = {Nature Methods},
    year = {2019},
    url = {https://www.nature.com/articles/s41592-019-0667-5},
  }