To cite localgauss in publications use:

Geir Drage Berentsen, Tore Selland Kleppe, Dag Tjostheim (2014). Introducing localgauss, an R Package for Estimating and Visualizing Local Gaussian Correlation. Journal of Statistical Software, 56(12), 1-18. URL http://www.jstatsoft.org/v56/i12/.

Corresponding BibTeX entry:

  @Article{,
    title = {Introducing {localgauss}, an {R} Package for Estimating
      and Visualizing Local Gaussian Correlation},
    author = {Geir Drage Berentsen and Tore Selland Kleppe and Dag
      Tj{\o}stheim},
    journal = {Journal of Statistical Software},
    year = {2014},
    volume = {56},
    number = {12},
    pages = {1--18},
    url = {http://www.jstatsoft.org/v56/i12/},
  }