To cite the metafor package in publications, please use:

Viechtbauer W (2010). “Conducting meta-analyses in R with the metafor package.” Journal of Statistical Software, 36(3), 1–48. https://www.jstatsoft.org/v36/i03/.

Corresponding BibTeX entry:

  @Article{,
    title = {Conducting meta-analyses in {R} with the {metafor}
      package},
    author = {Wolfgang Viechtbauer},
    journal = {Journal of Statistical Software},
    year = {2010},
    volume = {36},
    number = {3},
    pages = {1--48},
    url = {https://www.jstatsoft.org/v36/i03/},
  }