To cite the toOrdinal package in publications use:

Betebenner DW (2026). toOrdinal: Function for Converting Cardinal to Ordinal Numbers by Adding a Language Specific Ordinal Indicator to the Number.. R package version 1.4-0.0, https://centerforassessment.github.io/toOrdinal/.

Corresponding BibTeX entry:

  @Manual{,
    title = {{toOrdinal}: Function for Converting Cardinal to Ordinal
      Numbers by Adding a Language Specific Ordinal Indicator to the
      Number.},
    author = {Damian W. Betebenner},
    year = {2026},
    note = {R package version 1.4-0.0},
    url = {https://centerforassessment.github.io/toOrdinal/},
  }