To cite package 'KEGGgraph' in publications please use:

  Jitao David Zhang and Stefan Wiemann (2009) \emph{KEGGgraph: a graph
  approach to KEGG PATHWAY in R and Bioconductor}. Bioinformatics,
  25(11):1470--1471

A BibTeX entry for LaTeX users is

  @Article{,
    title = {KEGGgraph: a graph approach to KEGG PATHWAY in R and Bioconductor},
    author = {Jitao David Zhang and Stefan Wiemann},
    year = {2009},
    journal = {Bioinformatics},
    volumn = {25},
    number = {11},
    pages = {1470--1471},
  }

  Jitao David Zhang (2022). KEGGgraph: Application ExamplesR package
  version 1.65.0.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {KEGGgraph: Application Examples},
    author = {Jitao David Zhang},
    year = {2022},
    note = {R package version 1.65.0},
  }