To cite package ‘signs’ in publications use:

Wolfe BE (2020). signs: Insert Proper Minus Signs. R package version 0.1.2.9000, https://github.com/benjaminwolfe/signs.

Corresponding BibTeX entry:

  @Manual{,
    title = {signs: Insert Proper Minus Signs},
    author = {Benjamin E. Wolfe},
    year = {2020},
    note = {R package version 0.1.2.9000},
    url = {https://github.com/benjaminwolfe/signs},
  }