To cite package ‘ggpicrust2’ in publications use:

  Yang C, Zhang L (2023). _ggpicrust2: Make 'PICRUSt2' Output Analysis
  and Visualization Easier_. R package version 1.7.3,
  <https://github.com/cafferychen777/ggpicrust2>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggpicrust2: Make 'PICRUSt2' Output Analysis and Visualization Easier},
    author = {Chen Yang and Liangliang Zhang},
    year = {2023},
    note = {R package version 1.7.3},
    url = {https://github.com/cafferychen777/ggpicrust2},
  }