To cite PAFit in publications use:

Pham T, Sheridan P, Shimodaira H (2020). “PAFit: An R Package for the Non-Parametric Estimation of Preferential Attachment and Node Fitness in Temporal Complex Networks.” Journal of Statistical Software, 92(3), 1–30. doi: 10.18637/jss.v092.i03.

If you use the package to estimate node fitnesses, please consider to cite also:

Pham T, Sheridan P, Shimodaira H (2016). “Joint Estimation of Preferential Attachment and Node Fitness in Growing Complex Networks.” Scientific Reports, 32558 EP. doi: 10.1038/srep32558.

If you use the package to estimate preferential attachment, please consider to cite also:

Pham T, Sheridan P, Shimodaira H (2015). “PAFit: A Statistical Method for Measuring Preferential Attachment in Temporal Complex Networks.” PLOS ONE, 1-18. doi: 10.1371/journal.pone.0137796.

Corresponding BibTeX entries:

  @Article{,
    title = {{PAFit}: An {R} Package for the Non-Parametric Estimation
      of Preferential Attachment and Node Fitness in Temporal Complex
      Networks},
    author = {Thong Pham and Paul Sheridan and Hidetoshi Shimodaira},
    journal = {Journal of Statistical Software},
    year = {2020},
    volume = {92},
    number = {3},
    pages = {1--30},
    doi = {10.18637/jss.v092.i03},
  }
  @Article{,
    author = {Thong Pham and Paul Sheridan and Hidetoshi Shimodaira},
    journal = {Scientific Reports},
    title = {Joint Estimation of Preferential Attachment and Node
      Fitness in Growing Complex Networks},
    year = {2016},
    month = {9},
    volumn = {6},
    pages = {32558 EP},
    publisher = {Nature Publishing Group},
    doi = {10.1038/srep32558},
  }
  @Article{,
    author = {Thong Pham and Paul Sheridan and Hidetoshi Shimodaira},
    journal = {PLOS ONE},
    title = {PAFit: A Statistical Method for Measuring Preferential
      Attachment in Temporal Complex Networks},
    year = {2015},
    month = {9},
    volumn = {10},
    pages = {1-18},
    publisher = {Public Library of Science},
    doi = {10.1371/journal.pone.0137796},
  }