To cite ergm.graphlets in publications use:

Omer Nebil Yaveroglu, Sean M. Fitzhugh, Maciej Kurant, Athina Markopoulou, Carter T. Butts, Natasa Przulj (2015). ergm.graphlets: A Package for ERG Modeling Based on Graphlet Statistics. Journal of Statistical Software, 65(12), 1-29. URL http://www.jstatsoft.org/v65/i12/.

Corresponding BibTeX entry:

  @Article{,
    title = {{ergm.graphlets}: A Package for ERG Modeling Based on
      Graphlet Statistics},
    author = {\"{O}mer Nebil Yavero\u{g}lu and Sean M. Fitzhugh and
      Maciej Kurant and Athina Markopoulou and Carter T. Butts and
      Nata\v{s}a Pr\v{z}ulj},
    journal = {Journal of Statistical Software},
    year = {2015},
    volume = {65},
    number = {12},
    pages = {1--29},
    url = {http://www.jstatsoft.org/v65/i12/},
  }