To cite oxcgrt in publications use:

Guevarra E (2020). oxcgrt: An Interface to the Oxford COVID-19 Government Response Tracker API. R package version 0.1.0, https://como-ph.github.io/oxcgrt/.

Corresponding BibTeX entry:

  @Manual{,
    title = {oxcgrt: An Interface to the Oxford COVID-19 Government
      Response Tracker API},
    author = {Ernest Guevarra},
    year = {2020},
    note = {R package version 0.1.0},
    url = {https://como-ph.github.io/oxcgrt/},
  }