‘ergm.userterms’ is part of the Statnet suite of packages. If you are
using the ‘ergm.userterms’ package for research that will be published,
we request that you acknowledge this by citing the following. For
BibTeX format, use toBibtex(citation("ergm.userterms")).

  Handcock M, Hunter D, Butts C, Goodreau S, Krivitsky P, Morris M
  (2018). _ergm: Fit, Simulate and Diagnose Exponential-Family Models
  for Networks_. The Statnet Project (<http://www.statnet.org>). R
  package version 3.9.4, <https://CRAN.R-project.org/package=ergm>.

A BibTeX entry for LaTeX users is

  @Manual{,
    author = {Mark S. Handcock and David R. Hunter and Carter T. Butts and Steven M. Goodreau and Pavel N. Krivitsky and Martina Morris},
    title = {ergm: Fit, Simulate and Diagnose Exponential-Family Models for
Networks},
    organization = {The Statnet Project (\url{http://www.statnet.org})},
    year = {2018},
    note = {R package version 3.9.4},
    url = {https://CRAN.R-project.org/package=ergm},
  }

  Handcock M, Hunter D, Butts C, Goodreau S, Krivitsky P, Morris M
  (2013). _ergm.userterms: User-specified terms for the statnet suite
  of packages_. The Statnet Project (<http://www.statnet.org>). R
  package version 3.1.1,
  <https://CRAN.R-project.org/package=ergm.userterms>.

A BibTeX entry for LaTeX users is

  @Manual{,
    author = {Mark S. Handcock and David R. Hunter and Carter T. Butts and Steven M. Goodreau and Pavel N. Krivitsky and Martina Morris},
    title = {ergm.userterms: User-specified terms for the statnet suite of packages},
    organization = {The Statnet Project (\url{http://www.statnet.org})},
    year = {2013},
    note = {R package version 3.1.1},
    url = {https://CRAN.R-project.org/package=ergm.userterms},
  }

  Hunter DR, Goodreau SM, Handcock MS (2013). “ergm.userterms: A
  Template Package for Extending statnet.” _Journal of Statistical
  Software_, *52*(2), 1-25.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {ergm.userterms: A Template Package for Extending statnet},
    author = {David R. Hunter and Steven M. Goodreau and Mark S. Handcock},
    journal = {Journal of Statistical Software},
    year = {2013},
    volume = {52},
    number = {2},
    pages = {1--25},
  }

We have invested a lot of time and effort in creating the Statnet suite
of packages for use by other researchers. Please cite it in all papers
where it is used. The package ‘ergm.userterms’ is distributed under the
terms of the license GPL-3 + file LICENSE.