The methods within the code package can be cited as:

  Gu, Z. (2014) circlize implements and enhances circular visualization
  in R. Bioinformatics.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {circlize implements and enhances circular visualization in R},
    author = {Zuguang Gu and Lei Gu and Roland Eils and Matthias Schlesner and Benedikt Brors},
    journal = {Bioinformatics},
    volume = {30},
    issue = {19},
    pages = {2811-2812},
    year = {2014},
  }

This free open-source software implements academic research by the
authors and co-workers. If you use it, please support the project by
citing the appropriate journal articles.