To cite omu in publications use:

  Tiffany CR, Bäumler AJ (2019). “omu, a Metabolomics Count Data
  Analysis Tool for Intuitive Figures and Convenient Metadata
  Collection.” _Microbiology Resource Announcements_.
  <https://doi.org/10.1128/MRA.00129-19>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {omu, a Metabolomics Count Data Analysis Tool for Intuitive Figures and Convenient Metadata Collection},
    author = {Connor R. Tiffany and Andreas J. Bäumler},
    year = {2019},
    journal = {Microbiology Resource Announcements},
    url = {https://doi.org/10.1128/MRA.00129-19},
  }