To cite package ‘exCon’ in publications use:

Hanson B (2017). exCon: Interactive Exploration of Contour Data. R package version 0.2.5, https://github.com/bryanhanson/excon.

Corresponding BibTeX entry:

  @Manual{,
    title = {exCon: Interactive Exploration of Contour Data},
    author = {Bryan A. Hanson},
    year = {2017},
    note = {R package version 0.2.5},
    url = {https://github.com/bryanhanson/excon},
  }