To cite package ‘matrixLaplacian’ in publications use:

Wu T (2016). matrixLaplacian: Normalized Laplacian Matrix and Laplacian Map. R package version 1.0, https://CRAN.R-project.org/package=matrixLaplacian.

Corresponding BibTeX entry:

  @Manual{,
    title = {matrixLaplacian: Normalized Laplacian Matrix and Laplacian
      Map},
    author = {Tianhao Wu},
    year = {2016},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=matrixLaplacian},
  }