To cite package ‘multiMiR’ in publications use:

  Yuanbin Ru, Katerina J. Kechris, Boris Tabakoff, Paula Hoffman,
  Richard A. Radcliffe, Russell Bowler, Spencer Mahaffey, Simona Rossi,
  George A. Calin, Lynne Bemis, Dan Theodorescu; The multiMiR R package
  and database: integration of microRNA–target interactions along with
  their disease and drug associations. Nucleic Acids Res 2014; 42 (17):
  e133. doi: 10.1093/nar/gku631

A BibTeX entry for LaTeX users is

  @Article{,
    title = {The multiMiR R package and database: integration of
		 microRNA–target interactions along with their disease and drug
		 associations},
    author = {Yuanbin Ru and Katerina J. Kechris and Boris Tabakoff and Paula Hoffman and Richard A. Radcliffe and Russell Bowler and Spencer Mahaffey and Simona Rossi and George A. Calin and Lynne Bemis and Dan Theodorescu},
    journal = {Nucleic Acids Research},
    volume = {42},
    number = {17},
    pages = {e133},
    year = {2014},
    doi = {10.1093/nar/gku631},
    url = {http://dx.doi.org/10.1093/nar/gku631},
  }

  Yuanbin Ru, Matt Mulvahill, Spencer Mahaffey and Katerina Kechris
  (2017). multiMiR: Integration of multiple microRNA-target databases
  with their disease and drug associations. R package version 0.98.0.2.
  https://github.com/KechrisLab/multiMiR

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {multiMiR: Integration of multiple microRNA-target databases with
             their disease and drug associations},
    author = {Yuanbin Ru and Matt Mulvahill and Spencer Mahaffey and Katerina Kechris},
    url = {https://github.com/KechrisLab/multiMiR},
  }