To cite package ‘addinsOutline’ in publications use:

Luque-Calvo P (2019). addinsOutline: 'RStudio' Addins for Show Outline of a R Markdown/'LaTeX' Project. R package version 0.1.6, https://github.com/calote/addinsoutline.

Corresponding BibTeX entry:

  @Manual{,
    title = {addinsOutline: 'RStudio' Addins for Show Outline of a R
      Markdown/'LaTeX' Project},
    author = {Pedro L. Luque-Calvo},
    year = {2019},
    note = {R package version 0.1.6},
    url = {https://github.com/calote/addinsoutline},
  }