To cite package ‘microViz’ in publications use:

  Barnett et al., (2021). microViz: an R package for microbiome data
  visualization and statistics. Journal of Open Source Software, 6(63),
  3201, https://doi.org/10.21105/joss.03201

A BibTeX entry for LaTeX users is

  @Article{,
    doi = {10.21105/joss.03201},
    url = {https://doi.org/10.21105/joss.03201},
    year = {2021},
    publisher = {The Open Journal},
    volume = {6},
    number = {63},
    pages = {3201},
    author = {David J.M. Barnett and Ilja C.W. Arts and John Penders},
    title = {microViz: an R package for microbiome data visualization and statistics},
    journal = {Journal of Open Source Software},
  }