To cite the 'blogdown' package in publications use:

Xie Y (2019). blogdown: Create Blogs and Websites with R Markdown. R package version 0.15, https://github.com/rstudio/blogdown.

Xie Y, Hill AP, Thomas A (2017). blogdown: Creating Websites with R Markdown. Chapman and Hall/CRC, Boca Raton, Florida. ISBN 978-0815363729, https://github.com/rstudio/blogdown.

Corresponding BibTeX entries:

  @Manual{,
    title = {blogdown: Create Blogs and Websites with R Markdown},
    author = {Yihui Xie},
    year = {2019},
    note = {R package version 0.15},
    url = {https://github.com/rstudio/blogdown},
  }
  @Book{,
    title = {blogdown: Creating Websites with {R} Markdown},
    author = {Yihui Xie and Alison Presmanes Hill and Amber Thomas},
    publisher = {Chapman and Hall/CRC},
    address = {Boca Raton, Florida},
    year = {2017},
    note = {ISBN 978-0815363729},
    url = {https://github.com/rstudio/blogdown},
  }