To cite package ‘EnvCpt’ in publications use:

  Killick R, Beaulieu C, Taylor S, Hullait H (2021). _EnvCpt: Detection
  of Structural Changes in Climate and Environment Time Series_. R
  package version 1.1.3, <https://github.com/rkillick/envcpt>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {EnvCpt: Detection of Structural Changes in Climate and Environment Time
Series},
    author = {Rebecca Killick and Claudie Beaulieu and Simon Taylor and Harjit Hullait},
    year = {2021},
    note = {R package version 1.1.3},
    url = {https://github.com/rkillick/envcpt},
  }