To cite package 'stateMicromaps' renamed 'micromapST' and later 'micromapPLUS' in publications use: Daniel B. Carr andd Linda Williams Pickle, Visualizing Data Patterns with Micromaps, CRC Press, 2010.

Daniel B. Carr and Linda Williams Pickle (2010), Visualizing Data Patterns with Micromaps

Linda Williams Pickle, James B. Pearson, Jr. and Daniel B. Carr (2014), micromapST: Exploring and Communicating Geospatial Patterns in U. S. State Data

Corresponding BibTeX entries:

  @Manual{,
    title = {Visualizing Data Patterns with Micromaps},
    author = {Daniel B. Carr and Linda Williams Pickle and {micromapST
      Author Team}},
    year = {2010},
    note = {CRC Press},
  }

  @Manual{,
    title = {micromapST: Exploring and Communicating Geospatial
      Patterns in U. S. State Data},
    author = {Linda Williams Pickle and James B. {Pearson, Jr} and
      Daniel B. Carr and {micromapST Author Team}},
    year = {2014},
    note = {Journal of Statistical Software},
  }