To cite inferference in publications use:

Saul BC, Hudgens MG (2017). “A Recipe for inferference: Start with Causal Inference. Add Interference. Mix Well with R.” Journal of Statistical Software, 82(2), 1–21. doi:10.18637/jss.v082.i02.

Corresponding BibTeX entry:

    title = {A Recipe for {inferference}: {S}tart with Causal
      Inference. {A}dd Interference. {M}ix Well with {R}.},
    author = {Bradley C. Saul and Michael G. Hudgens},
    journal = {Journal of Statistical Software},
    year = {2017},
    volume = {82},
    number = {2},
    pages = {1--21},
    doi = {10.18637/jss.v082.i02},