citHeader("Suggested citation for R phreeqc package:") citEntry(entry="Manual", title = "Description of input and examples for PHREEQC version 3--A computer program for speciation, batch-reaction, one-dimensional transport, and inverse geochemical calculations", author = personList(as.person("D. L. Parkhurst"), as.person("C. A. J. Appelo")), publisher = "U.S. Geological Survey", year = "2013", series = "Techniques and Methods", volume = "book 6", chapter = "A43", pages = "497", url = "https://pubs.usgs.gov/tm/06/a43/", textVersion = paste("Parkhurst, D.L., and Appelo, C.A.J., 2013, Description of", "input and examples for PHREEQC version 3--A computer", "program for speciation, batch- reaction, one-dimensional", "transport, and inverse geochemical calculations: U.S.", "Geological Survey Techniques and Methods, book 6, chap.", "A43, 497 p., available only at", "https://pubs.usgs.gov/tm/06/a43/.") ) citEntry(entry="Article", title = "Modules based on the geochemical model PHREEQC for use in scripting and programming languages", author = personList(as.person("S. R. Charlton"), as.person("D. L. Parkhurst")), year = "2011", journal = "Computers & Geosciences", volume = "37", pages = "1653-1663", url = "http://dx.doi.org/10.1016/j.cageo.2011.02.005", textVersion = paste("Charlton, S.R., and Parkhurst, D.L, 2011, Modules based ", "on the geochemical model PHREEQC for use in scripting", "and programming languages: Computers & Geosciences,", "v. 37, p. 1653-1663.") )