To cite package ‘STMr’ in publications use:

  Jovanović M (2023). _STMr: Strength Training Manual R-Language
  Functions_. R package version 0.1.6,
  <https://github.com/mladenjovanovic/STMr>.

A BibTeX entry for LaTeX users is

  @Manual{STMr-package,
    title = {{STMr}: Strength Training Manual R-Language Functions},
    author = {Mladen Jovanović},
    year = {2023},
    note = {R package version 0.1.6},
    url = {https://github.com/mladenjovanovic/STMr},
  }