To cite package ‘ftsa’ in publications use:

Hyndman R, Shang H (2026). ftsa: Functional Time Series Analysis. R package version 6.7, https://CRAN.R-project.org/package=ftsa.

Corresponding BibTeX entry:

  @Manual{,
    title = {ftsa: Functional Time Series Analysis},
    author = {Rob Hyndman and Han Lin Shang},
    year = {2026},
    note = {R package version 6.7},
    url = {https://CRAN.R-project.org/package=ftsa},
  }