To cite package ‘trendyy’ in publications use:

  Parry J (2019). _trendyy: A Tidy Wrapper Around 'gtrendsR'_. R
  package version 0.1.1, <https://github.com/josiahparry/trendyy>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {trendyy: A Tidy Wrapper Around 'gtrendsR'},
    author = {Josiah Parry},
    year = {2019},
    note = {R package version 0.1.1},
    url = {https://github.com/josiahparry/trendyy},
  }