To cite use of 'analogue' in publications use:

Simpson GL, Oksanen J (2021). analogue: Analogue and weighted averaging methods for palaeoecology. R package version 0.17-6, https://cran.r-project.org/package=analogue.

Simpson GL (2007). “Analogue Methods in Palaeoecology: Using the analogue Package.” Journal of Statistical Software, 22(2), 1–29.

Corresponding BibTeX entries:

  @Manual{,
    title = {analogue: Analogue and weighted averaging methods for
      palaeoecology},
    author = {G. L. Simpson and J. Oksanen},
    year = {2021},
    note = {R package version 0.17-6},
    url = {https://cran.r-project.org/package=analogue},
  }

  @Article{,
    title = {Analogue Methods in Palaeoecology: Using the analogue
      Package},
    author = {G. L. Simpson},
    journal = {Journal of Statistical Software},
    year = {2007},
    volume = {22},
    number = {2},
    pages = {1--29},
  }