To cite criticalpath in publications use:

Rosa RJ, Santos Md, Marques T (2021). “An Implementation of the Critical Path Method.” https://rubensjoserosa.com/criticalpath/.

Corresponding BibTeX entry:

  @Misc{,
    title = {An Implementation of the Critical Path Method},
    author = {Rubens Jose Rosa and Marcos dos Santos and Thiago
      Marques},
    year = {2021},
    url = {https://rubensjoserosa.com/criticalpath/},
  }