To cite package ‘sisal’ in publications use:

  Tikka J, Hollmén J (2008). “Sequential input selection algorithm for
  long-term prediction of time series.” _Neurocomputing_, *71*(13-15),
  2604-2615. ISSN 0925-2312, doi:10.1016/j.neucom.2007.11.037
  <https://doi.org/10.1016/j.neucom.2007.11.037>.

A BibTeX entry for LaTeX users is

  @Article{Tikka20082604,
    title = {Sequential input selection algorithm for long-term prediction of time series},
    journal = {Neurocomputing},
    volume = {71},
    number = {13--15},
    pages = {2604--2615},
    year = {2008},
    issn = {0925-2312},
    doi = {10.1016/j.neucom.2007.11.037},
    author = {Jarkko Tikka and Jaakko Hollmén},
    keywords = {input selection, time series prediction, parsimonious modeling, multilayer-perceptron networks, sensitivity analysis},
  }

  Korpela M (2024). _sisal: Sequential Input Selection Algorithm_. R
  package version 0.49, <https://CRAN.R-project.org/package=sisal>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sisal: Sequential Input Selection Algorithm},
    author = {Mikko Korpela},
    year = {2024},
    note = {R package version 0.49},
    url = {https://CRAN.R-project.org/package=sisal},
  }