To cite package ‘NTS’ in publications use:

Tsay R, Chen R, Liu X (2023). NTS: Nonlinear Time Series Analysis. R package version 1.1.3, https://CRAN.R-project.org/package=NTS.

Corresponding BibTeX entry:

  @Manual{,
    title = {NTS: Nonlinear Time Series Analysis},
    author = {Ruey Tsay and Rong Chen and Xialu Liu},
    year = {2023},
    note = {R package version 1.1.3},
    url = {https://CRAN.R-project.org/package=NTS},
  }