To cite dataRetrieval in publications, please use:

Hirsch, R.M., and De Cicco, L.A., 2015, User guide to Exploration and Graphics for RivEr Trends (EGRET) and dataRetrieval: R packages for hydrologic data (version 2.0, February 2015): U.S. Geological Survey Techniques and Methods book 4, chap. A10, 93 p., http://dx.doi.org/10.3133/tm4A10

Corresponding BibTeX entry:

  @InBook{,
    author = {Robert M. Hirsch and Laura A. {De Cicco}},
    title = {User guide to Exploration and Graphics for RivEr Trends
      (EGRET) and dataRetrieval: R packages for hydrologic data},
    publisher = {U.S. Geological Survey},
    address = {Reston, VA},
    booktitle = {Techniques and Methods},
    institution = {U.S. Geological Survey},
    year = {2015},
    chapter = {A10},
    url = {http://pubs.usgs.gov/tm/04/a10/},
  }